38038891512 has 64 divisors (see below), whose sum is σ = 97349978880. Its totient is φ = 12379514112.

The previous prime is 38038891489. The next prime is 38038891529. The reversal of 38038891512 is 21519883083.

It is a super-2 number, since 2×38038891512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 2989548 + ... + 3002244.

It is an arithmetic number, because the mean of its divisors is an integer number (1521093420).

Almost surely, 2^38038891512 is an apocalyptic number.

It is an amenable number.

38038891512 is an abundant number, since it is smaller than the sum of its proper divisors (59311087368).

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

38038891512 is a wasteful number, since it uses less digits than its factorization.

38038891512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15652 (or 15648 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 38038891512 in words is "thirty-eight billion, thirty-eight million, eight hundred ninety-one thousand, five hundred twelve".