2265409390 has 16 divisors (see below), whose sum is σ = 4078444608. Its totient is φ = 906006496.

The previous prime is 2265409343. The next prime is 2265409417. The reversal of 2265409390 is 939045622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53979 + ... + 86281.

It is an arithmetic number, because the mean of its divisors is an integer number (254902788).

Almost surely, 2^2265409390 is an apocalyptic number.

2265409390 is a deficient number, since it is larger than the sum of its proper divisors (1813035218).

2265409390 is a wasteful number, since it uses less digits than its factorization.

2265409390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39323.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 2265409390 is about 47596.3169793630. The cubic root of 2265409390 is about 1313.3553033135.

The spelling of 2265409390 in words is "two billion, two hundred sixty-five million, four hundred nine thousand, three hundred ninety".