2265156344 has 16 divisors (see below), whose sum is σ = 4633274520. Its totient is φ = 1029616480.

The previous prime is 2265156293. The next prime is 2265156353. The reversal of 2265156344 is 4436515622.

It is a junction number, because it is equal to n+sod(n) for n = 2265156298 and 2265156307.

It is a congruent number.

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, 12870119 + ... + 12870294.

Almost surely, 2^2265156344 is an apocalyptic number.

It is an amenable number.

2265156344 is an abundant number, since it is smaller than the sum of its proper divisors (2368118176).

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

2265156344 is a wasteful number, since it uses less digits than its factorization.

2265156344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25740430 (or 25740426 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 2265156344 is about 47593.6586532282. The cubic root of 2265156344 is about 1313.3064009411.

The spelling of 2265156344 in words is "two billion, two hundred sixty-five million, one hundred fifty-six thousand, three hundred forty-four".