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40807368 = 23337137197
BaseRepresentation
bin1001101110101…
…0101111001000
32211210020012000
42123222233020
540421313433
64014351000
71003566630
oct233525710
984706160
1040807368
11210421a8
12117bb460
1385ba194
1455c36c0
1538b1113
hex26eabc8

40807368 has 128 divisors (see below), whose sum is σ = 131155200. Its totient is φ = 11515392.

The previous prime is 40807367. The next prime is 40807373. The reversal of 40807368 is 86370804.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40807367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207046 + ... + 207242.

It is an arithmetic number, because the mean of its divisors is an integer number (1024650).

Almost surely, 240807368 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 40807368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65577600).

40807368 is an abundant number, since it is smaller than the sum of its proper divisors (90347832).

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

40807368 is a wasteful number, since it uses less digits than its factorization.

40807368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 40807368 is about 6388.0644956043. The cubic root of 40807368 is about 344.2808460074.

The spelling of 40807368 in words is "forty million, eight hundred seven thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 137 168 189 197 216 252 274 378 394 411 504 548 591 756 788 822 959 1096 1182 1233 1379 1512 1576 1644 1773 1918 2364 2466 2758 2877 3288 3546 3699 3836 4137 4728 4932 5319 5516 5754 7092 7398 7672 8274 8631 9864 10638 11032 11508 12411 14184 14796 16548 17262 21276 23016 24822 25893 26989 29592 33096 34524 37233 42552 49644 51786 53978 69048 74466 80967 99288 103572 107956 148932 161934 188923 207144 215912 242901 297864 323868 377846 485802 566769 647736 728703 755692 971604 1133538 1457406 1511384 1700307 1943208 2267076 2914812 3400614 4534152 5100921 5829624 6801228 10201842 13602456 20403684 40807368