2551412394 has 48 divisors (see below), whose sum is σ = 5940649728. Its totient is φ = 788489856.

The previous prime is 2551412393. The next prime is 2551412401. The reversal of 2551412394 is 4932141552.

2551412394 is a `hidden beast` number, since 2 + 551 + 4 + 12 + 3 + 94 = 666.

It is a super-2 number, since 2×2551412394² = 13019410408513622472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2551412393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41722 + ... + 82725.

It is an arithmetic number, because the mean of its divisors is an integer number (123763536).

Almost surely, 2^2551412394 is an apocalyptic number.

2551412394 is an abundant number, since it is smaller than the sum of its proper divisors (3389237334).

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

2551412394 is a wasteful number, since it uses less digits than its factorization.

2551412394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124539 (or 124536 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 2551412394 is about 50511.5075403615. The cubic root of 2551412394 is about 1366.4493979285.

The spelling of 2551412394 in words is "two billion, five hundred fifty-one million, four hundred twelve thousand, three hundred ninety-four".