238638503932 has 24 divisors (see below), whose sum is σ = 418100704560. Its totient is φ = 119181231360.

The previous prime is 238638503927. The next prime is 238638503981. The reversal of 238638503932 is 239305836832.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 238638503932.

It is a congruent number.

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, 18482623 + ... + 18495529.

It is an arithmetic number, because the mean of its divisors is an integer number (17420862690).

Almost surely, 2^238638503932 is an apocalyptic number.

It is an amenable number.

238638503932 is a deficient number, since it is larger than the sum of its proper divisors (179462200628).

238638503932 is a wasteful number, since it uses less digits than its factorization.

238638503932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17901 (or 17899 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 238638503932 in words is "two hundred thirty-eight billion, six hundred thirty-eight million, five hundred three thousand, nine hundred thirty-two".