2605454044 has 12 divisors (see below), whose sum is σ = 4585901544. Its totient is φ = 1295196464.

The previous prime is 2605454039. The next prime is 2605454077. The reversal of 2605454044 is 4404545062.

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, 1881862 + ... + 1883245.

It is an arithmetic number, because the mean of its divisors is an integer number (382158462).

Almost surely, 2^2605454044 is an apocalyptic number.

It is an amenable number.

2605454044 is a deficient number, since it is larger than the sum of its proper divisors (1980447500).

2605454044 is a wasteful number, since it uses less digits than its factorization.

2605454044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765284 (or 3765282 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 2605454044 is about 51043.6484197593. The cubic root of 2605454044 is about 1376.0296937605.

The spelling of 2605454044 in words is "two billion, six hundred five million, four hundred fifty-four thousand, forty-four".