38520517157264 has 40 divisors (see below), whose sum is σ = 79849475854080. Its totient is φ = 17947436803200.

The previous prime is 38520517157261. The next prime is 38520517157323. The reversal of 38520517157264 is 46275171502583.

It is not an unprimeable number, because it can be changed into a prime (38520517157261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038606272 + ... + 1038643359.

It is an arithmetic number, because the mean of its divisors is an integer number (1996236896352).

Almost surely, 2^{38520517157264} is an apocalyptic number.

It is an amenable number.

38520517157264 is an abundant number, since it is smaller than the sum of its proper divisors (41328958696816).

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

38520517157264 is a wasteful number, since it uses less digits than its factorization.

38520517157264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077249719 (or 2077249713 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 56.

The spelling of 38520517157264 in words is "thirty-eight trillion, five hundred twenty billion, five hundred seventeen million, one hundred fifty-seven thousand, two hundred sixty-four".