38672172048 has 20 divisors (see below), whose sum is σ = 99903111248. Its totient is φ = 12890724000.

The previous prime is 38672172041. The next prime is 38672172053. The reversal of 38672172048 is 84027127683.

It is a super-2 number, since 2×38672172048² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 805670251 = 38672172048 / (3 + 8 + 6 + 7 + 2 + 1 + 7 + 2 + 0 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 38672171988 and 38672172006.

It is not an unprimeable number, because it can be changed into a prime (38672172041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402835078 + ... + 402835173.

Almost surely, 2^38672172048 is an apocalyptic number.

It is an amenable number.

38672172048 is an abundant number, since it is smaller than the sum of its proper divisors (61230939200).

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

38672172048 is a wasteful number, since it uses less digits than its factorization.

38672172048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805670262 (or 805670256 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 38672172048 in words is "thirty-eight billion, six hundred seventy-two million, one hundred seventy-two thousand, forty-eight".