2551326610 has 40 divisors (see below), whose sum is σ = 5357517516. Its totient is φ = 874732320.

The previous prime is 2551326607. The next prime is 2551326623. The reversal of 2551326610 is 166231552.

It can be written as a sum of positive squares in 2 ways, for example, as 2045481529 + 505845081 = 45227^2 + 22491^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29121 + ... + 77140.

Almost surely, 2^2551326610 is an apocalyptic number.

2551326610 is an abundant number, since it is smaller than the sum of its proper divisors (2806190906).

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

2551326610 is an equidigital number, since it uses as much as digits as its factorization.

2551326610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106296 (or 106275 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2551326610 is about 50510.6583801874. The cubic root of 2551326610 is about 1366.4340834294.

The spelling of 2551326610 in words is "two billion, five hundred fifty-one million, three hundred twenty-six thousand, six hundred ten".