651882480 has 80 divisors (see below), whose sum is σ = 2063867904. Its totient is φ = 170133760.

The previous prime is 651882431. The next prime is 651882509. The reversal of 651882480 is 84288156.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17616 + ... + 40175.

Almost surely, 2^651882480 is an apocalyptic number.

651882480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

651882480 is an abundant number, since it is smaller than the sum of its proper divisors (1411985424).

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

651882480 is a wasteful number, since it uses less digits than its factorization.

651882480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57854 (or 57848 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 651882480 is about 25531.9893467000. The cubic root of 651882480 is about 867.0745443688.

The spelling of 651882480 in words is "six hundred fifty-one million, eight hundred eighty-two thousand, four hundred eighty".