2265407985 has 8 divisors (see below), whose sum is σ = 3624652800. Its totient is φ = 1208217584.

The previous prime is 2265407971. The next prime is 2265408031. The reversal of 2265407985 is 5897045622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2265407985 - 2⁷ = 2265407857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75513585 + ... + 75513614.

It is an arithmetic number, because the mean of its divisors is an integer number (453081600).

Almost surely, 2^2265407985 is an apocalyptic number.

It is an amenable number.

2265407985 is a deficient number, since it is larger than the sum of its proper divisors (1359244815).

2265407985 is a wasteful number, since it uses less digits than its factorization.

2265407985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151027207.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 2265407985 is about 47596.3022198154. The cubic root of 2265407985 is about 1313.3550318004.

The spelling of 2265407985 in words is "two billion, two hundred sixty-five million, four hundred seven thousand, nine hundred eighty-five".