238256578650 has 96 divisors (see below), whose sum is σ = 594810501120. Its totient is φ = 63113452480.

The previous prime is 238256578643. The next prime is 238256578691. The reversal of 238256578650 is 56875652832.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14154139 + ... + 14170961.

It is an arithmetic number, because the mean of its divisors is an integer number (6195942720).

Almost surely, 2^238256578650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238256578650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297405250560).

238256578650 is an abundant number, since it is smaller than the sum of its proper divisors (356553922470).

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

238256578650 is a wasteful number, since it uses less digits than its factorization.

238256578650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17460 (or 17455 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 238256578650 in words is "two hundred thirty-eight billion, two hundred fifty-six million, five hundred seventy-eight thousand, six hundred fifty".