38485921922 has 90 divisors (see below), whose sum is σ = 71557687593. Its totient is φ = 15520991472.

The previous prime is 38485921907. The next prime is 38485921939. The reversal of 38485921922 is 22912958483.

It can be written as a sum of positive squares in 2 ways, for example, as 31620308041 + 6865613881 = 177821^2 + 82859^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=138719.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 258294704 + ... + 258294852.

Almost surely, 2^38485921922 is an apocalyptic number.

38485921922 is a deficient number, since it is larger than the sum of its proper divisors (33071765671).

38485921922 is an frugal number, since it uses more digits than its factorization.

38485921922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 177 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The spelling of 38485921922 in words is "thirty-eight billion, four hundred eighty-five million, nine hundred twenty-one thousand, nine hundred twenty-two".