238744631802 has 16 divisors (see below), whose sum is σ = 480974588352. Its totient is φ = 79000656480.

The previous prime is 238744631789. The next prime is 238744631821. The reversal of 238744631802 is 208136447832.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145220974 + ... + 145222617.

It is an arithmetic number, because the mean of its divisors is an integer number (30060911772).

Almost surely, 2^238744631802 is an apocalyptic number.

238744631802 is an abundant number, since it is smaller than the sum of its proper divisors (242229956550).

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

238744631802 is a wasteful number, since it uses less digits than its factorization.

238744631802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290443733.

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 238744631802 in words is "two hundred thirty-eight billion, seven hundred forty-four million, six hundred thirty-one thousand, eight hundred two".