2265389504 has 28 divisors (see below), whose sum is σ = 5137580784. Its totient is φ = 970881024.

The previous prime is 2265389479. The next prime is 2265389521. The reversal of 2265389504 is 4059835622.

It is a tau number, because it is divible by the number of its divisors (28).

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, 2527889 + ... + 2528784.

It is an arithmetic number, because the mean of its divisors is an integer number (183485028).

Almost surely, 2^2265389504 is an apocalyptic number.

It is an amenable number.

2265389504 is an abundant number, since it is smaller than the sum of its proper divisors (2872191280).

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

2265389504 is an equidigital number, since it uses as much as digits as its factorization.

2265389504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056692 (or 5056682 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 2265389504 is about 47596.1080761862. The cubic root of 2265389504 is about 1313.3514603789.

The spelling of 2265389504 in words is "two billion, two hundred sixty-five million, three hundred eighty-nine thousand, five hundred four".