653420044 has 24 divisors (see below), whose sum is σ = 1181955600. Its totient is φ = 315900480.

The previous prime is 653420023. The next prime is 653420057. The reversal of 653420044 is 440024356.

It is a junction number, because it is equal to n+sod(n) for n = 653419994 and 653420021.

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, 8299 + ... + 37090.

It is an arithmetic number, because the mean of its divisors is an integer number (49248150).

Almost surely, 2^653420044 is an apocalyptic number.

It is an amenable number.

653420044 is a deficient number, since it is larger than the sum of its proper divisors (528535556).

653420044 is a wasteful number, since it uses less digits than its factorization.

653420044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45513 (or 45511 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 653420044 is about 25562.0821530641. The cubic root of 653420044 is about 867.7557181722.

The spelling of 653420044 in words is "six hundred fifty-three million, four hundred twenty thousand, forty-four".