38365615864520 has 64 divisors (see below), whose sum is σ = 98704092170880. Its totient is φ = 13147305255936.

The previous prime is 38365615864463. The next prime is 38365615864559. The reversal of 38365615864520 is 2546851656383.

38365615864520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33922769 + ... + 35035488.

It is an arithmetic number, because the mean of its divisors is an integer number (1542251440170).

Almost surely, 2^{38365615864520} is an apocalyptic number.

It is an amenable number.

38365615864520 is an abundant number, since it is smaller than the sum of its proper divisors (60338476306360).

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

38365615864520 is a wasteful number, since it uses less digits than its factorization.

38365615864520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68960262 (or 68960258 counting only the distinct ones).

The product of its (nonzero) digits is 124416000, while the sum is 62.

The spelling of 38365615864520 in words is "thirty-eight trillion, three hundred sixty-five billion, six hundred fifteen million, eight hundred sixty-four thousand, five hundred twenty".