651362480 has 40 divisors (see below), whose sum is σ = 1603504512. Its totient is φ = 245218304.

The previous prime is 651362471. The next prime is 651362501. The reversal of 651362480 is 84263156.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 651362480.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238112 + ... + 240831.

Almost surely, 2^651362480 is an apocalyptic number.

It is an amenable number.

651362480 is an abundant number, since it is smaller than the sum of its proper divisors (952142032).

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

651362480 is a wasteful number, since it uses less digits than its factorization.

651362480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478973 (or 478967 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 651362480 is about 25521.8040114722. The cubic root of 651362480 is about 866.8439308676.

The spelling of 651362480 in words is "six hundred fifty-one million, three hundred sixty-two thousand, four hundred eighty".