253650233544 has 32 divisors (see below), whose sum is σ = 634203100320. Its totient is φ = 84539742336.

The previous prime is 253650233503. The next prime is 253650233651. The reversal of 253650233544 is 445332056352.

It is a junction number, because it is equal to n+sod(n) for n = 253650233496 and 253650233505.

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, 444262 + ... + 839445.

It is an arithmetic number, because the mean of its divisors is an integer number (19818846885).

Almost surely, 2^253650233544 is an apocalyptic number.

253650233544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253650233544 is an abundant number, since it is smaller than the sum of its proper divisors (380552866776).

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

253650233544 is a wasteful number, since it uses less digits than its factorization.

253650233544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291949 (or 1291945 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 42.

Adding to 253650233544 its reverse (445332056352), we get a palindrome (698982289896).

The spelling of 253650233544 in words is "two hundred fifty-three billion, six hundred fifty million, two hundred thirty-three thousand, five hundred forty-four".