2551429782 has 48 divisors (see below), whose sum is σ = 6348064320. Its totient is φ = 732466800.

The previous prime is 2551429759. The next prime is 2551429883. The reversal of 2551429782 is 2879241552.

2551429782 is a `hidden beast` number, since 2 + 551 + 4 + 2 + 97 + 8 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 335344 + ... + 342867.

It is an arithmetic number, because the mean of its divisors is an integer number (132251340).

Almost surely, 2^2551429782 is an apocalyptic number.

2551429782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2551429782 is an abundant number, since it is smaller than the sum of its proper divisors (3796634538).

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

2551429782 is a wasteful number, since it uses less digits than its factorization.

2551429782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678249 (or 678246 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 2551429782 is about 50511.6796592630. The cubic root of 2551429782 is about 1366.4525020612.

The spelling of 2551429782 in words is "two billion, five hundred fifty-one million, four hundred twenty-nine thousand, seven hundred eighty-two".