653340044 has 24 divisors (see below), whose sum is σ = 1334484480. Its totient is φ = 274044816.

The previous prime is 653340007. The next prime is 653340067. The reversal of 653340044 is 440043356.

653340044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 653339989 and 653340016.

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, 246914 + ... + 249545.

It is an arithmetic number, because the mean of its divisors is an integer number (55603520).

Almost surely, 2^653340044 is an apocalyptic number.

It is an amenable number.

653340044 is an abundant number, since it is smaller than the sum of its proper divisors (681144436).

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

653340044 is a wasteful number, since it uses less digits than its factorization.

653340044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496517 (or 496515 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 653340044 is about 25560.5172874103. The cubic root of 653340044 is about 867.7203028262.

The spelling of 653340044 in words is "six hundred fifty-three million, three hundred forty thousand, forty-four".