652976144 has 20 divisors (see below), whose sum is σ = 1265752320. Its totient is φ = 326330400.

The previous prime is 652976131. The next prime is 652976183. The reversal of 652976144 is 441679256.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 652976095 and 652976104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28937 + ... + 46295.

It is an arithmetic number, because the mean of its divisors is an integer number (63287616).

Almost surely, 2^652976144 is an apocalyptic number.

It is an amenable number.

652976144 is a deficient number, since it is larger than the sum of its proper divisors (612776176).

652976144 is a wasteful number, since it uses less digits than its factorization.

652976144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19718 (or 19712 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 652976144 is about 25553.3978953876. The cubic root of 652976144 is about 867.5591707765.

The spelling of 652976144 in words is "six hundred fifty-two million, nine hundred seventy-six thousand, one hundred forty-four".