652664460 has 96 divisors (see below), whose sum is σ = 2145024000. Its totient is φ = 145145088.

The previous prime is 652664443. The next prime is 652664473. The reversal of 652664460 is 64466256.

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 31 ways as a sum of consecutive naturals, for example, 5460 + ... + 36539.

It is an arithmetic number, because the mean of its divisors is an integer number (22344000).

Almost surely, 2^652664460 is an apocalyptic number.

652664460 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 652664460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072512000).

652664460 is an abundant number, since it is smaller than the sum of its proper divisors (1492359540).

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

652664460 is a wasteful number, since it uses less digits than its factorization.

652664460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42055 (or 42053 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 652664460 is about 25547.2984873156. The cubic root of 652664460 is about 867.4211119564.

The spelling of 652664460 in words is "six hundred fifty-two million, six hundred sixty-four thousand, four hundred sixty".