380537781624 has 1440 divisors, whose sum is σ = 1548771008400. Its totient is φ = 86220288000.

The previous prime is 380537781619. The next prime is 380537781667. The reversal of 380537781624 is 426187735083.

It is a happy number.

380537781624 is a `hidden beast` number, since 3 + 8 + 0 + 5 + 3 + 7 + 7 + 8 + 1 + 624 = 666.

It is a super-2 number, since 2×380537781624² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 948971824 + ... + 948972224.

Almost surely, 2^380537781624 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 380537781624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774385504200).

380537781624 is an abundant number, since it is smaller than the sum of its proper divisors (1168233226776).

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

380537781624 is a wasteful number, since it uses less digits than its factorization.

380537781624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 380537781624 in words is "three hundred eighty billion, five hundred thirty-seven million, seven hundred eighty-one thousand, six hundred twenty-four".