238534056630 has 32 divisors (see below), whose sum is σ = 636090818400. Its totient is φ = 63609081696.

The previous prime is 238534056619. The next prime is 238534056731. The reversal of 238534056630 is 36650435832.

238534056630 is a `hidden beast` number, since 2 + 3 + 8 + 5 + 3 + 4 + 0 + 5 + 6 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 441729465 + ... + 441730004.

It is an arithmetic number, because the mean of its divisors is an integer number (19877838075).

Almost surely, 2^238534056630 is an apocalyptic number.

238534056630 is an abundant number, since it is smaller than the sum of its proper divisors (397556761770).

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

238534056630 is a wasteful number, since it uses less digits than its factorization.

238534056630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883459485 (or 883459479 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 238534056630 in words is "two hundred thirty-eight billion, five hundred thirty-four million, fifty-six thousand, six hundred thirty".