2551305464 has 32 divisors (see below), whose sum is σ = 5067917280. Its totient is φ = 1199944704.

The previous prime is 2551305457. The next prime is 2551305469. The reversal of 2551305464 is 4645031552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551305469) 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, 308309 + ... + 316475.

It is an arithmetic number, because the mean of its divisors is an integer number (158372415).

Almost surely, 2^2551305464 is an apocalyptic number.

It is an amenable number.

2551305464 is a deficient number, since it is larger than the sum of its proper divisors (2516611816).

2551305464 is a wasteful number, since it uses less digits than its factorization.

2551305464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10487 (or 10483 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 2551305464 is about 50510.4490575960. The cubic root of 2551305464 is about 1366.4303083090.

The spelling of 2551305464 in words is "two billion, five hundred fifty-one million, three hundred five thousand, four hundred sixty-four".