238747860424 has 8 divisors (see below), whose sum is σ = 447652238310. Its totient is φ = 119373930208.

The previous prime is 238747860401. The next prime is 238747860431. The reversal of 238747860424 is 424068747832.

It can be written as a sum of positive squares in only one way, i.e., 234420588900 + 4327271524 = 484170^2 + 65782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14921741269 + ... + 14921741284.

Almost surely, 2^238747860424 is an apocalyptic number.

It is an amenable number.

238747860424 is a deficient number, since it is larger than the sum of its proper divisors (208904377886).

238747860424 is a wasteful number, since it uses less digits than its factorization.

238747860424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29843482559 (or 29843482555 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 55.

The spelling of 238747860424 in words is "two hundred thirty-eight billion, seven hundred forty-seven million, eight hundred sixty thousand, four hundred twenty-four".