253575134340 has 96 divisors (see below), whose sum is σ = 774653314176. Its totient is φ = 61465098240.

The previous prime is 253575134317. The next prime is 253575134353. The reversal of 253575134340 is 43431575352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 253575134292 and 253575134301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6708534 + ... + 6746226.

It is an arithmetic number, because the mean of its divisors is an integer number (8069305356).

Almost surely, 2^253575134340 is an apocalyptic number.

253575134340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253575134340 is an abundant number, since it is smaller than the sum of its proper divisors (521078179836).

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

253575134340 is a wasteful number, since it uses less digits than its factorization.

253575134340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47909 (or 47907 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 42.

The spelling of 253575134340 in words is "two hundred fifty-three billion, five hundred seventy-five million, one hundred thirty-four thousand, three hundred forty".