2605454042 has 8 divisors (see below), whose sum is σ = 3974421600. Its totient is φ = 1280646844.

The previous prime is 2605454039. The next prime is 2605454077. The reversal of 2605454042 is 2404545062.

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

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, 11039942 + ... + 11040177.

It is an arithmetic number, because the mean of its divisors is an integer number (496802700).

Almost surely, 2^2605454042 is an apocalyptic number.

2605454042 is a deficient number, since it is larger than the sum of its proper divisors (1368967558).

2605454042 is a wasteful number, since it uses less digits than its factorization.

2605454042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22080180.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2605454042 is about 51043.6484001683. The cubic root of 2605454042 is about 1376.0296934084.

The spelling of 2605454042 in words is "two billion, six hundred five million, four hundred fifty-four thousand, forty-two".