653322044 has 24 divisors (see below), whose sum is σ = 1178020368. Its totient is φ = 316837760.

The previous prime is 653322029. The next prime is 653322073. The reversal of 653322044 is 440223356.

It is a junction number, because it is equal to n+sod(n) for n = 653321998 and 653322016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16859 + ... + 39885.

It is an arithmetic number, because the mean of its divisors is an integer number (49084182).

Almost surely, 2^653322044 is an apocalyptic number.

It is an amenable number.

653322044 is a deficient number, since it is larger than the sum of its proper divisors (524698324).

653322044 is a wasteful number, since it uses less digits than its factorization.

653322044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23245 (or 23243 counting only the distinct ones).

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

The square root of 653322044 is about 25560.1651794350. The cubic root of 653322044 is about 867.7123339750.

It can be divided in two parts, 65332 and 2044, that added together give a palindrome (67376).

The spelling of 653322044 in words is "six hundred fifty-three million, three hundred twenty-two thousand, forty-four".