2265394635 has 80 divisors (see below), whose sum is σ = 4728943296. Its totient is φ = 1016001792.

The previous prime is 2265394627. The next prime is 2265394709. The reversal of 2265394635 is 5364935622.

2265394635 is a `hidden beast` number, since 2 + 2 + 6 + 5 + 3 + 9 + 4 + 635 = 666.

2265394635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2265394635 - 2³ = 2265394627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 142717 + ... + 157793.

Almost surely, 2^2265394635 is an apocalyptic number.

2265394635 is an abundant number, since it is smaller than the sum of its proper divisors (2463548661).

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

2265394635 is a wasteful number, since it uses less digits than its factorization.

2265394635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15154 (or 15145 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The square root of 2265394635 is about 47596.1619776217. The cubic root of 2265394635 is about 1313.3524519378.

It can be divided in two parts, 2265 and 394635, that added together give a square (396900 = 630²).

The spelling of 2265394635 in words is "two billion, two hundred sixty-five million, three hundred ninety-four thousand, six hundred thirty-five".