38057855816 has 16 divisors (see below), whose sum is σ = 71879346540. Its totient is φ = 18890030080.

The previous prime is 38057855807. The next prime is 38057855819. The reversal of 38057855816 is 61855875083.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36126604900 + 1931250916 = 190070^2 + 43946^2 .

It is a super-2 number, since 2×38057855816² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38057855819) 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 3 ways as a sum of consecutive naturals, for example, 17361065 + ... + 17363256.

Almost surely, 2^38057855816 is an apocalyptic number.

It is an amenable number.

38057855816 is a deficient number, since it is larger than the sum of its proper divisors (33821490724).

38057855816 is a wasteful number, since it uses less digits than its factorization.

38057855816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34724464 (or 34724460 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 56.

The spelling of 38057855816 in words is "thirty-eight billion, fifty-seven million, eight hundred fifty-five thousand, eight hundred sixteen".