38515335936 has 864 divisors, whose sum is σ = 140928076800. Its totient is φ = 9204572160.

The previous prime is 38515335923. The next prime is 38515335959. The reversal of 38515335936 is 63953351583.

It is a happy number.

It is a super-2 number, since 2×38515335936² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 464040151 + ... + 464040233.

It is an arithmetic number, because the mean of its divisors is an integer number (163111200).

Almost surely, 2^38515335936 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 38515335936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70464038400).

38515335936 is an abundant number, since it is smaller than the sum of its proper divisors (102412740864).

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

38515335936 is a wasteful number, since it uses less digits than its factorization.

38515335936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 184 counting only the distinct ones).

The product of its digits is 4374000, while the sum is 51.

The spelling of 38515335936 in words is "thirty-eight billion, five hundred fifteen million, three hundred thirty-five thousand, nine hundred thirty-six".