253318939888 has 40 divisors (see below), whose sum is σ = 560951874560. Its totient is φ = 108559189440.

The previous prime is 253318939859. The next prime is 253318939897. The reversal of 253318939888 is 888939813352.

It is a congruent number.

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, 2362153 + ... + 2467063.

It is an arithmetic number, because the mean of its divisors is an integer number (14023796864).

Almost surely, 2^253318939888 is an apocalyptic number.

253318939888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

253318939888 is an abundant number, since it is smaller than the sum of its proper divisors (307632934672).

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

253318939888 is a wasteful number, since it uses less digits than its factorization.

253318939888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126485 (or 126479 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 67.

The spelling of 253318939888 in words is "two hundred fifty-three billion, three hundred eighteen million, nine hundred thirty-nine thousand, eight hundred eighty-eight".