38776716840 has 64 divisors (see below), whose sum is σ = 116812935360. Its totient is φ = 10297543680.

The previous prime is 38776716829. The next prime is 38776716841. The reversal of 38776716840 is 4861767783.

It is not an unprimeable number, because it can be changed into a prime (38776716841) 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, 641494 + ... + 699333.

It is an arithmetic number, because the mean of its divisors is an integer number (1825202115).

Almost surely, 2^38776716840 is an apocalyptic number.

38776716840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38776716840 is an abundant number, since it is smaller than the sum of its proper divisors (78036218520).

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

38776716840 is a wasteful number, since it uses less digits than its factorization.

38776716840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341082 (or 1341078 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 57.

The spelling of 38776716840 in words is "thirty-eight billion, seven hundred seventy-six million, seven hundred sixteen thousand, eight hundred forty".