2564079460 has 12 divisors (see below), whose sum is σ = 5384566908. Its totient is φ = 1025631776.

The previous prime is 2564079437. The next prime is 2564079461. The reversal of 2564079460 is 649704652.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 422055936 + 2142023524 = 20544^2 + 46282^2 .

It is not an unprimeable number, because it can be changed into a prime (2564079461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 64101967 + ... + 64102006.

It is an arithmetic number, because the mean of its divisors is an integer number (448713909).

Almost surely, 2^2564079460 is an apocalyptic number.

2564079460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2564079460 is an abundant number, since it is smaller than the sum of its proper divisors (2820487448).

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

2564079460 is a wasteful number, since it uses less digits than its factorization.

2564079460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128203982 (or 128203980 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 2564079460 is about 50636.7402189359. The cubic root of 2564079460 is about 1368.7070152956.

The spelling of 2564079460 in words is "two billion, five hundred sixty-four million, seventy-nine thousand, four hundred sixty".