253510264128 has 56 divisors (see below), whose sum is σ = 731722813920. Its totient is φ = 76821291520.

The previous prime is 253510264127. The next prime is 253510264141. The reversal of 253510264128 is 821462015352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253510264123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60014523 + ... + 60018746.

It is an arithmetic number, because the mean of its divisors is an integer number (13066478820).

Almost surely, 2^253510264128 is an apocalyptic number.

It is an amenable number.

253510264128 is an abundant number, since it is smaller than the sum of its proper divisors (478212549792).

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

253510264128 is a wasteful number, since it uses less digits than its factorization.

253510264128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120033295 (or 120033285 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 253510264128 in words is "two hundred fifty-three billion, five hundred ten million, two hundred sixty-four thousand, one hundred twenty-eight".