2564520360 has 64 divisors (see below), whose sum is σ = 7765502400. Its totient is φ = 677477376.

The previous prime is 2564520331. The next prime is 2564520403. The reversal of 2564520360 is 630254652.

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 15 ways as a sum of consecutive naturals, for example, 87025 + ... + 112704.

It is an arithmetic number, because the mean of its divisors is an integer number (121335975).

Almost surely, 2^2564520360 is an apocalyptic number.

2564520360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2564520360 is an abundant number, since it is smaller than the sum of its proper divisors (5200982040).

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

2564520360 is a wasteful number, since it uses less digits than its factorization.

2564520360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199850 (or 199846 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 2564520360 is about 50641.0935900875. The cubic root of 2564520360 is about 1368.7854616863.

The spelling of 2564520360 in words is "two billion, five hundred sixty-four million, five hundred twenty thousand, three hundred sixty".