253568699280 has 480 divisors, whose sum is σ = 972558752256. Its totient is φ = 58652246016.

The previous prime is 253568699213. The next prime is 253568699317. The reversal of 253568699280 is 82996865352.

253568699280 is a `hidden beast` number, since 2 + 5 + 3 + 568 + 69 + 9 + 2 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 194603109 + ... + 194604411.

Almost surely, 2^253568699280 is an apocalyptic number.

253568699280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253568699280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486279376128).

253568699280 is an abundant number, since it is smaller than the sum of its proper divisors (718990052976).

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

253568699280 is a wasteful number, since it uses less digits than its factorization.

253568699280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575 (or 2566 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 253568699280 in words is "two hundred fifty-three billion, five hundred sixty-eight million, six hundred ninety-nine thousand, two hundred eighty".