253660760 has 16 divisors (see below), whose sum is σ = 570736800. Its totient is φ = 101464288.

The previous prime is 253660751. The next prime is 253660787. The reversal of 253660760 is 67066352.

It is a self number, because there is not a number n which added to its sum of digits gives 253660760.

It is a congruent number.

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, 3170720 + ... + 3170799.

It is an arithmetic number, because the mean of its divisors is an integer number (35671050).

Almost surely, 2^253660760 is an apocalyptic number.

253660760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253660760 is an abundant number, since it is smaller than the sum of its proper divisors (317076040).

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

253660760 is a wasteful number, since it uses less digits than its factorization.

253660760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6341530 (or 6341526 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 253660760 is about 15926.7309891264. The cubic root of 253660760 is about 633.0204832204.

The spelling of 253660760 in words is "two hundred fifty-three million, six hundred sixty thousand, seven hundred sixty".