253660264 has 64 divisors (see below), whose sum is σ = 591675840. Its totient is φ = 100162560.

The previous prime is 253660249. The next prime is 253660273. The reversal of 253660264 is 462066352.

253660264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12927 + ... + 25969.

It is an arithmetic number, because the mean of its divisors is an integer number (9244935).

Almost surely, 2^253660264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253660264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295837920).

253660264 is an abundant number, since it is smaller than the sum of its proper divisors (338015576).

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

253660264 is a wasteful number, since it uses less digits than its factorization.

253660264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13090 (or 13086 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 253660264 is about 15926.7154178129. The cubic root of 253660264 is about 633.0200706242.

The spelling of 253660264 in words is "two hundred fifty-three million, six hundred sixty thousand, two hundred sixty-four".