653349144 has 64 divisors (see below), whose sum is σ = 1904832000. Its totient is φ = 186668832.

The previous prime is 653349139. The next prime is 653349157. The reversal of 653349144 is 441943356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31452 + ... + 47915.

It is an arithmetic number, because the mean of its divisors is an integer number (29763000).

Almost surely, 2^653349144 is an apocalyptic number.

It is an amenable number.

653349144 is an abundant number, since it is smaller than the sum of its proper divisors (1251482856).

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

653349144 is a wasteful number, since it uses less digits than its factorization.

653349144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79397 (or 79379 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 653349144 is about 25560.6952957074. The cubic root of 653349144 is about 867.7243314675.

The spelling of 653349144 in words is "six hundred fifty-three million, three hundred forty-nine thousand, one hundred forty-four".