2551400456 has 32 divisors (see below), whose sum is σ = 5225968800. Its totient is φ = 1158128640.

The previous prime is 2551400441. The next prime is 2551400459. The reversal of 2551400456 is 6540041552.

It is not an unprimeable number, because it can be changed into a prime (2551400459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45416 + ... + 84648.

It is an arithmetic number, because the mean of its divisors is an integer number (163311525).

Almost surely, 2^2551400456 is an apocalyptic number.

It is an amenable number.

2551400456 is an abundant number, since it is smaller than the sum of its proper divisors (2674568344).

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

2551400456 is a wasteful number, since it uses less digits than its factorization.

2551400456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39989 (or 39985 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 2551400456 is about 50511.3893691314. The cubic root of 2551400456 is about 1366.4472667301.

The spelling of 2551400456 in words is "two billion, five hundred fifty-one million, four hundred thousand, four hundred fifty-six".