2605320242 has 32 divisors (see below), whose sum is σ = 4709222400. Its totient is φ = 1056023568.

The previous prime is 2605320233. The next prime is 2605320253. The reversal of 2605320242 is 2420235062.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156743 + ... + 172565.

It is an arithmetic number, because the mean of its divisors is an integer number (147163200).

Almost surely, 2^2605320242 is an apocalyptic number.

2605320242 is a deficient number, since it is larger than the sum of its proper divisors (2103902158).

2605320242 is a wasteful number, since it uses less digits than its factorization.

2605320242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16470.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2605320242 is about 51042.3377403504. The cubic root of 2605320242 is about 1376.0061382146.

The spelling of 2605320242 in words is "two billion, six hundred five million, three hundred twenty thousand, two hundred forty-two".