651110240260 has 12 divisors (see below), whose sum is σ = 1367331504588. Its totient is φ = 260444096096.

The previous prime is 651110240243. The next prime is 651110240281. The reversal of 651110240260 is 62042011156.

It can be written as a sum of positive squares in 2 ways, for example, as 234548427204 + 416561813056 = 484302^2 + 645416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16277755987 + ... + 16277756026.

It is an arithmetic number, because the mean of its divisors is an integer number (113944292049).

Almost surely, 2^651110240260 is an apocalyptic number.

It is an amenable number.

651110240260 is an abundant number, since it is smaller than the sum of its proper divisors (716221264328).

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

651110240260 is a wasteful number, since it uses less digits than its factorization.

651110240260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32555512022 (or 32555512020 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 651110240260 in words is "six hundred fifty-one billion, one hundred ten million, two hundred forty thousand, two hundred sixty".