653242680 has 96 divisors (see below), whose sum is σ = 2247944400. Its totient is φ = 163949568.

The previous prime is 653242679. The next prime is 653242691. The reversal of 653242680 is 86242356.

653242680 is a `hidden beast` number, since 6 + 532 + 42 + 6 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 47250 + ... + 59489.

Almost surely, 2^653242680 is an apocalyptic number.

653242680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

653242680 is an abundant number, since it is smaller than the sum of its proper divisors (1594701720).

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

653242680 is a wasteful number, since it uses less digits than its factorization.

653242680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106773 (or 106766 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 653242680 is about 25558.6126384043. The cubic root of 653242680 is about 867.6771966788.

The spelling of 653242680 in words is "six hundred fifty-three million, two hundred forty-two thousand, six hundred eighty".