2265135544 has 24 divisors (see below), whose sum is σ = 4940538840. Its totient is φ = 970772208.

The previous prime is 2265135533. The next prime is 2265135557. The reversal of 2265135544 is 4455315622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2888812 + ... + 2889595.

It is an arithmetic number, because the mean of its divisors is an integer number (205855785).

Almost surely, 2^2265135544 is an apocalyptic number.

It is an amenable number.

2265135544 is an abundant number, since it is smaller than the sum of its proper divisors (2675403296).

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

2265135544 is a wasteful number, since it uses less digits than its factorization.

2265135544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778427 (or 5778416 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 2265135544 is about 47593.4401362205. The cubic root of 2265135544 is about 1313.3023810777.

The spelling of 2265135544 in words is "two billion, two hundred sixty-five million, one hundred thirty-five thousand, five hundred forty-four".