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8404380468 = 223211832411061
BaseRepresentation
bin1111101001111000…
…01010101100110100
3210200201022202121200
413310330022230310
5114203010133333
63505543012500
7415161024651
oct76474125464
923621282550
108404380468
113623065490
12176673a130
13a3c2594c3
1459a28cc28
15342c76c13
hex1f4f0ab34

8404380468 has 144 divisors (see below), whose sum is σ = 23574462912. Its totient is φ = 2503296000.

The previous prime is 8404380461. The next prime is 8404380473. The reversal of 8404380468 is 8640834048.

It is a super-2 number, since 2×84043804682 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8404380461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7920658 + ... + 7921718.

It is an arithmetic number, because the mean of its divisors is an integer number (163711548).

Almost surely, 28404380468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8404380468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11787231456).

8404380468 is an abundant number, since it is smaller than the sum of its proper divisors (15170082444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8404380468 is a wasteful number, since it uses less digits than its factorization.

8404380468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The square root of 8404380468 is about 91675.4081965278. The cubic root of 8404380468 is about 2033.1460087096.

The spelling of 8404380468 in words is "eight billion, four hundred four million, three hundred eighty thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 83 99 132 166 198 241 249 332 396 482 498 723 747 913 964 996 1061 1446 1494 1826 2122 2169 2651 2739 2892 2988 3183 3652 4244 4338 5302 5478 6366 7953 8217 8676 9549 10604 10956 11671 12732 15906 16434 19098 20003 23342 23859 31812 32868 35013 38196 40006 46684 47718 60009 70026 80012 88063 95436 105039 120018 140052 176126 180027 210078 220033 240036 255701 264189 352252 360054 420156 440066 511402 528378 660099 720108 767103 792567 880132 968693 1022804 1056756 1320198 1534206 1585134 1937386 1980297 2301309 2640396 2812711 2906079 3068412 3170268 3874772 3960594 4602618 5625422 5812158 7921188 8438133 8718237 9205236 11250844 11624316 16876266 17436474 21223183 25314399 33752532 34872948 42446366 50628798 63669549 84892732 101257596 127339098 191008647 233455013 254678196 382017294 466910026 700365039 764034588 933820052 1400730078 2101095117 2801460156 4202190234 8404380468