2265360656 has 20 divisors (see below), whose sum is σ = 4726762572. Its totient is φ = 1045550976.

The previous prime is 2265360589. The next prime is 2265360677. The reversal of 2265360656 is 6560635622.

It can be written as a sum of positive squares in 2 ways, for example, as 371718400 + 1893642256 = 19280^2 + 43516^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5445371 + ... + 5445786.

Almost surely, 2^2265360656 is an apocalyptic number.

2265360656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2265360656 is an abundant number, since it is smaller than the sum of its proper divisors (2461401916).

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

2265360656 is a wasteful number, since it uses less digits than its factorization.

2265360656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10891178 (or 10891172 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The square root of 2265360656 is about 47595.8050252331. The cubic root of 2265360656 is about 1313.3458855137.

The spelling of 2265360656 in words is "two billion, two hundred sixty-five million, three hundred sixty thousand, six hundred fifty-six".