38372803634172 has 24 divisors (see below), whose sum is σ = 102327476358016. Its totient is φ = 10963658181168.

The previous prime is 38372803634171. The next prime is 38372803634189. The reversal of 38372803634172 is 27143630827383.

It is a super-2 number, since 2×38372803634172² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38372803634171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228409545358 + ... + 228409545525.

Almost surely, 2^{38372803634172} is an apocalyptic number.

It is an amenable number.

38372803634172 is an abundant number, since it is smaller than the sum of its proper divisors (63954672723844).

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

38372803634172 is a wasteful number, since it uses less digits than its factorization.

38372803634172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456819090897 (or 456819090895 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 57.

The spelling of 38372803634172 in words is "thirty-eight trillion, three hundred seventy-two billion, eight hundred three million, six hundred thirty-four thousand, one hundred seventy-two".