651498480 has 360 divisors, whose sum is σ = 2422952064. Its totient is φ = 156672000.

The previous prime is 651498469. The next prime is 651498509. The reversal of 651498480 is 84894156.

651498480 is a `hidden beast` number, since 6 + 514 + 98 + 48 + 0 = 666.

651498480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6450430 + ... + 6450530.

Almost surely, 2^651498480 is an apocalyptic number.

651498480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651498480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211476032).

651498480 is an abundant number, since it is smaller than the sum of its proper divisors (1771453584).

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

651498480 is a wasteful number, since it uses less digits than its factorization.

651498480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 651498480 is about 25524.4682608669. The cubic root of 651498480 is about 866.9042570169.

The spelling of 651498480 in words is "six hundred fifty-one million, four hundred ninety-eight thousand, four hundred eighty".