253440424232 has 16 divisors (see below), whose sum is σ = 475210937760. Its totient is φ = 126717507504.

The previous prime is 253440424177. The next prime is 253440424253. The reversal of 253440424232 is 232424044352.

It is a super-2 number, since 2×253440424232² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253440424192 and 253440424201.

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, 92423 + ... + 717929.

It is an arithmetic number, because the mean of its divisors is an integer number (29700683610).

Almost surely, 2^253440424232 is an apocalyptic number.

It is an amenable number.

253440424232 is a deficient number, since it is larger than the sum of its proper divisors (221770513528).

253440424232 is a wasteful number, since it uses less digits than its factorization.

253440424232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676160 (or 676156 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 253440424232 its reverse (232424044352), we get a palindrome (485864468584).

The spelling of 253440424232 in words is "two hundred fifty-three billion, four hundred forty million, four hundred twenty-four thousand, two hundred thirty-two".