2251312008 has 64 divisors (see below), whose sum is σ = 6338027520. Its totient is φ = 660206400.

The previous prime is 2251311983. The next prime is 2251312067. The reversal of 2251312008 is 8002131522.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 129360 + ... + 145727.

It is an arithmetic number, because the mean of its divisors is an integer number (99031680).

Almost surely, 2^2251312008 is an apocalyptic number.

It is an amenable number.

2251312008 is an abundant number, since it is smaller than the sum of its proper divisors (4086715512).

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

2251312008 is a wasteful number, since it uses less digits than its factorization.

2251312008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275138 (or 275134 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2251312008 is about 47447.9926656545. The cubic root of 2251312008 is about 1310.6253464050.

The spelling of 2251312008 in words is "two billion, two hundred fifty-one million, three hundred twelve thousand, eight".