253407152560 has 40 divisors (see below), whose sum is σ = 593410300560. Its totient is φ = 100633627392.

The previous prime is 253407152543. The next prime is 253407152599. The reversal of 253407152560 is 65251704352.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×253407152560² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11383087 + ... + 11405326.

It is an arithmetic number, because the mean of its divisors is an integer number (14835257514).

Almost surely, 2^253407152560 is an apocalyptic number.

253407152560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253407152560 is an abundant number, since it is smaller than the sum of its proper divisors (340003148000).

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

253407152560 is a wasteful number, since it uses less digits than its factorization.

253407152560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22788565 (or 22788559 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 253407152560 in words is "two hundred fifty-three billion, four hundred seven million, one hundred fifty-two thousand, five hundred sixty".