38653834880 has 64 divisors (see below), whose sum is σ = 94904363880. Its totient is φ = 15043645440.

The previous prime is 38653834829. The next prime is 38653834907. The reversal of 38653834880 is 8843835683.

It can be written as a sum of positive squares in 4 ways, for example, as 38538401344 + 115433536 = 196312^2 + 10744^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×38653834880² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792491 + ... + 839850.

Almost surely, 2^38653834880 is an apocalyptic number.

It is an amenable number.

38653834880 is an abundant number, since it is smaller than the sum of its proper divisors (56250529000).

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

38653834880 is a wasteful number, since it uses less digits than its factorization.

38653834880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632397 (or 1632385 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 38653834880 in words is "thirty-eight billion, six hundred fifty-three million, eight hundred thirty-four thousand, eight hundred eighty".