2500276864 has 32 divisors (see below), whose sum is σ = 5049272340. Its totient is φ = 1233008640.

The previous prime is 2500276799. The next prime is 2500276879. The reversal of 2500276864 is 4686720052.

It can be written as a sum of positive squares in 2 ways, for example, as 2315534400 + 184742464 = 48120^2 + 13592^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 124447 + ... + 143134.

Almost surely, 2^2500276864 is an apocalyptic number.

It is an amenable number.

2500276864 is an abundant number, since it is smaller than the sum of its proper divisors (2548995476).

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

2500276864 is an equidigital number, since it uses as much as digits as its factorization.

2500276864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267668 (or 267656 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 2500276864 is about 50002.7685633506. The cubic root of 2500276864 is about 1357.2589080827.

The spelling of 2500276864 in words is "two billion, five hundred million, two hundred seventy-six thousand, eight hundred sixty-four".