38504022660 has 36 divisors (see below), whose sum is σ = 116795535948. Its totient is φ = 10267739328.

The previous prime is 38504022659. The next prime is 38504022737. The reversal of 38504022660 is 6622040583.

It can be written as a sum of positive squares in 2 ways, for example, as 22826979396 + 15677043264 = 151086^2 + 125208^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×38504022660² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106955439 + ... + 106955798.

It is an arithmetic number, because the mean of its divisors is an integer number (3244320443).

Almost surely, 2^38504022660 is an apocalyptic number.

38504022660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38504022660 is an abundant number, since it is smaller than the sum of its proper divisors (78291513288).

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

38504022660 is a wasteful number, since it uses less digits than its factorization.

38504022660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213911252 (or 213911247 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 38504022660 in words is "thirty-eight billion, five hundred four million, twenty-two thousand, six hundred sixty".