238952290172 has 12 divisors (see below), whose sum is σ = 427891310616. Its totient is φ = 116697630000.

The previous prime is 238952290169. The next prime is 238952290189. The reversal of 238952290172 is 271092259832.

It is a happy number.

It is a hoax number, since the sum of its digits (50) 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 238952290172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694628579 + ... + 694628922.

It is an arithmetic number, because the mean of its divisors is an integer number (35657609218).

Almost surely, 2^238952290172 is an apocalyptic number.

It is an amenable number.

238952290172 is a deficient number, since it is larger than the sum of its proper divisors (188939020444).

238952290172 is a wasteful number, since it uses less digits than its factorization.

238952290172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389257548 (or 1389257546 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 238952290172 in words is "two hundred thirty-eight billion, nine hundred fifty-two million, two hundred ninety thousand, one hundred seventy-two".