653425044 has 48 divisors (see below), whose sum is σ = 1552508160. Its totient is φ = 213857280.

The previous prime is 653425021. The next prime is 653425061. The reversal of 653425044 is 440524356.

It is a junction number, because it is equal to n+sod(n) for n = 653424996 and 653425014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207804 + ... + 210924.

It is an arithmetic number, because the mean of its divisors is an integer number (32343920).

Almost surely, 2^653425044 is an apocalyptic number.

It is an amenable number.

653425044 is an abundant number, since it is smaller than the sum of its proper divisors (899083116).

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

653425044 is a wasteful number, since it uses less digits than its factorization.

653425044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440 (or 3438 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 653425044 is about 25562.1799539867. The cubic root of 653425044 is about 867.7579315353.

The spelling of 653425044 in words is "six hundred fifty-three million, four hundred twenty-five thousand, forty-four".