38937772840 has 64 divisors (see below), whose sum is σ = 88317974160. Its totient is φ = 15449425920.

The previous prime is 38937772837. The next prime is 38937772849. The reversal of 38937772840 is 4827773983.

It can be written as a sum of positive squares in 8 ways, for example, as 12565961604 + 26371811236 = 112098^2 + 162394^2 .

It is not an unprimeable number, because it can be changed into a prime (38937772849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11248710 + ... + 11252170.

Almost surely, 2^38937772840 is an apocalyptic number.

It is an amenable number.

38937772840 is an abundant number, since it is smaller than the sum of its proper divisors (49380201320).

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

38937772840 is a wasteful number, since it uses less digits than its factorization.

38937772840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5662 (or 5658 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 58.

The spelling of 38937772840 in words is "thirty-eight billion, nine hundred thirty-seven million, seven hundred seventy-two thousand, eight hundred forty".