653240464 has 10 divisors (see below), whose sum is σ = 1265653430. Its totient is φ = 326620224.

The previous prime is 653240459. The next prime is 653240479. The reversal of 653240464 is 464042356.

653240464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 440664064 + 212576400 = 20992^2 + 14580^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20413749 + ... + 20413780.

It is an arithmetic number, because the mean of its divisors is an integer number (126565343).

Almost surely, 2^653240464 is an apocalyptic number.

It is an amenable number.

653240464 is a deficient number, since it is larger than the sum of its proper divisors (612412966).

653240464 is a wasteful number, since it uses less digits than its factorization.

653240464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40827537 (or 40827531 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 653240464 is about 25558.5692870317. The cubic root of 653240464 is about 867.6762155351.

The spelling of 653240464 in words is "six hundred fifty-three million, two hundred forty thousand, four hundred sixty-four".