2564358480 has 160 divisors (see below), whose sum is σ = 8886931200. Its totient is φ = 679638528.

The previous prime is 2564358479. The next prime is 2564358497. The reversal of 2564358480 is 848534652.

2564358480 is a `hidden beast` number, since 2 + 5 + 64 + 3 + 584 + 8 + 0 = 666.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357166 + ... + 364274.

It is an arithmetic number, because the mean of its divisors is an integer number (55543320).

Almost surely, 2^2564358480 is an apocalyptic number.

2564358480 is a gapful number since it is divisible by the number (20) 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 2564358480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4443465600).

2564358480 is an abundant number, since it is smaller than the sum of its proper divisors (6322572720).

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

2564358480 is a wasteful number, since it uses less digits than its factorization.

2564358480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7298 (or 7286 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The square root of 2564358480 is about 50639.4952581481. The cubic root of 2564358480 is about 1368.7566605043.

The spelling of 2564358480 in words is "two billion, five hundred sixty-four million, three hundred fifty-eight thousand, four hundred eighty".