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380375143440 = 24353382746853
BaseRepresentation
bin1011000100100000010…
…00000001010000010000
31100100210222221100210120
411202100020001100100
522213002014042230
6450424131230240
736324023241525
oct5422010012020
91310728840716
10380375143440
11137352941186
1261876a48380
1329b3b8b1196
14145a5a5114c
159d63a81310
hex5890201410

380375143440 has 80 divisors (see below), whose sum is σ = 1179222971328. Its totient is φ = 101428208128.

The previous prime is 380375143433. The next prime is 380375143451. The reversal of 380375143440 is 44341573083.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 380375143392 and 380375143401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8095054 + ... + 8141906.

Almost surely, 2380375143440 is an apocalyptic number.

380375143440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380375143440 is an abundant number, since it is smaller than the sum of its proper divisors (798847827888).

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

380375143440 is a wasteful number, since it uses less digits than its factorization.

380375143440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80696 (or 80690 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 380375143440 in words is "three hundred eighty billion, three hundred seventy-five million, one hundred forty-three thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 33827 46853 67654 93706 101481 135308 140559 169135 187412 202962 234265 270616 281118 338270 374824 405924 468530 507405 541232 562236 676540 702795 749648 811848 937060 1014810 1124472 1353080 1405590 1623696 1874120 2029620 2248944 2706160 2811180 3748240 4059240 5622360 8118480 11244720 1584896431 3169792862 4754689293 6339585724 7924482155 9509378586 12679171448 15848964310 19018757172 23773446465 25358342896 31697928620 38037514344 47546892930 63395857240 76075028688 95093785860 126791714480 190187571720 380375143440