2645250624 has 63 divisors (see below), whose sum is σ = 7585673043. Its totient is φ = 881338752.

The previous prime is 2645250607. The next prime is 2645250637. The reversal of 2645250624 is 4260525462.

The square root of 2645250624 is 51432.

It is a perfect power (a square), and thus also a powerful number.

2645250624 is a `hidden beast` number, since 2 + 6 + 4 + 5 + 25 + 0 + 624 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1233297 + ... + 1235439.

Almost surely, 2^2645250624 is an apocalyptic number.

2645250624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

2645250624 is the 51432-nd square number.

It is an amenable number.

2645250624 is an abundant number, since it is smaller than the sum of its proper divisors (4940422419).

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

2645250624 is an frugal number, since it uses more digits than its factorization.

2645250624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The cubic root of 2645250624 is about 1383.0003027151. Note that the first 3 decimals are identical.

Multiplying 2645250624 by its sum of digits (36), we get a square (95229022464 = 308592²).

2645250624 divided by its sum of digits (36) gives a square (73479184 = 8572²).

The spelling of 2645250624 in words is "two billion, six hundred forty-five million, two hundred fifty thousand, six hundred twenty-four".