2605940904 has 32 divisors (see below), whose sum is σ = 7445545920. Its totient is φ = 744554496.

The previous prime is 2605940867. The next prime is 2605940927. The reversal of 2605940904 is 4090495062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7755609 + ... + 7755944.

It is an arithmetic number, because the mean of its divisors is an integer number (232673310).

Almost surely, 2^2605940904 is an apocalyptic number.

2605940904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2605940904 is an abundant number, since it is smaller than the sum of its proper divisors (4839605016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2605940904 is a wasteful number, since it uses less digits than its factorization.

2605940904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15511569 (or 15511565 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 2605940904 is about 51048.4172526436. The cubic root of 2605940904 is about 1376.1153975804.

The spelling of 2605940904 in words is "two billion, six hundred five million, nine hundred forty thousand, nine hundred four".