2251566260 has 48 divisors (see below), whose sum is σ = 4818683520. Its totient is φ = 883474560.

The previous prime is 2251566227. The next prime is 2251566263. The reversal of 2251566260 is 626651522.

It is a self number, because there is not a number n which added to its sum of digits gives 2251566260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251566263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636617 + ... + 640143.

It is an arithmetic number, because the mean of its divisors is an integer number (100389240).

Almost surely, 2^2251566260 is an apocalyptic number.

2251566260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251566260 is an abundant number, since it is smaller than the sum of its proper divisors (2567117260).

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

2251566260 is a wasteful number, since it uses less digits than its factorization.

2251566260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136 (or 4134 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2251566260 is about 47450.6718603646. The cubic root of 2251566260 is about 1310.6746830542.

The spelling of 2251566260 in words is "two billion, two hundred fifty-one million, five hundred sixty-six thousand, two hundred sixty".