2551364976 has 160 divisors (see below), whose sum is σ = 7167541248. Its totient is φ = 779708160.

The previous prime is 2551364969. The next prime is 2551364983. The reversal of 2551364976 is 6794631552.

It is an interprime number because it is at equal distance from previous prime (2551364969) and next prime (2551364983).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4346155 + ... + 4346741.

Almost surely, 2^2551364976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2551364976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3583770624).

2551364976 is an abundant number, since it is smaller than the sum of its proper divisors (4616176272).

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

2551364976 is a wasteful number, since it uses less digits than its factorization.

2551364976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 773 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The square root of 2551364976 is about 50511.0381599903. The cubic root of 2551364976 is about 1366.4409327219.

The spelling of 2551364976 in words is "two billion, five hundred fifty-one million, three hundred sixty-four thousand, nine hundred seventy-six".