652806400 has 54 divisors (see below), whose sum is σ = 1615813682. Its totient is φ = 261120000.

The previous prime is 652806397. The next prime is 652806403. The reversal of 652806400 is 4608256.

It is an interprime number because it is at equal distance from previous prime (652806397) and next prime (652806403).

It can be written as a sum of positive squares in 3 ways, for example, as 719104 + 652087296 = 848^2 + 25536^2 .

It is not an unprimeable number, because it can be changed into a prime (652806403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44601 + ... + 57400.

Almost surely, 2^652806400 is an apocalyptic number.

It is an amenable number.

652806400 is an abundant number, since it is smaller than the sum of its proper divisors (963007282).

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

652806400 is a wasteful number, since it uses less digits than its factorization.

652806400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102027 (or 102008 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 652806400 is about 25550.0763208253. The cubic root of 652806400 is about 867.4839889965.

The spelling of 652806400 in words is "six hundred fifty-two million, eight hundred six thousand, four hundred".