238862402064 has 560 divisors, whose sum is σ = 827074813824. Its totient is φ = 65840947200.

The previous prime is 238862402047. The next prime is 238862402111. The reversal of 238862402064 is 460204268832.

238862402064 is a `hidden beast` number, since 2 + 388 + 6 + 240 + 20 + 6 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 118423584 + ... + 118425600.

Almost surely, 2^238862402064 is an apocalyptic number.

238862402064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238862402064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413537406912).

238862402064 is an abundant number, since it is smaller than the sum of its proper divisors (588212411760).

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

238862402064 is a wasteful number, since it uses less digits than its factorization.

238862402064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138 (or 2117 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 238862402064 in words is "two hundred thirty-eight billion, eight hundred sixty-two million, four hundred two thousand, sixty-four".