38851157020 has 48 divisors (see below), whose sum is σ = 91683547200. Its totient is φ = 13721342976.

The previous prime is 38851156991. The next prime is 38851157029. The reversal of 38851157020 is 2075115883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38851157029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3242445 + ... + 3254404.

It is an arithmetic number, because the mean of its divisors is an integer number (1910073900).

Almost surely, 2^38851157020 is an apocalyptic number.

It is an amenable number.

38851157020 is an abundant number, since it is smaller than the sum of its proper divisors (52832390180).

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

38851157020 is a wasteful number, since it uses less digits than its factorization.

38851157020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496894 (or 6496892 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 38851157020 in words is "thirty-eight billion, eight hundred fifty-one million, one hundred fifty-seven thousand, twenty".