253300987072 has 28 divisors (see below), whose sum is σ = 574450453840. Its totient is φ = 108557565696.

The previous prime is 253300987061. The next prime is 253300987087. The reversal of 253300987072 is 270789003352.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×253300987072² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282701547 + ... + 282702442.

Almost surely, 2^253300987072 is an apocalyptic number.

It is an amenable number.

253300987072 is an abundant number, since it is smaller than the sum of its proper divisors (321149466768).

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

253300987072 is an equidigital number, since it uses as much as digits as its factorization.

253300987072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565404008 (or 565403998 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 253300987072 in words is "two hundred fifty-three billion, three hundred million, nine hundred eighty-seven thousand, seventy-two".