2605026404 has 12 divisors (see below), whose sum is σ = 4560450300. Its totient is φ = 1302040608.

The previous prime is 2605026377. The next prime is 2605026421. The reversal of 2605026404 is 4046205062.

It can be written as a sum of positive squares in 2 ways, for example, as 579846400 + 2025180004 = 24080^2 + 45002^2 .

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, 105599 + ... + 127910.

It is an arithmetic number, because the mean of its divisors is an integer number (380037525).

Almost surely, 2^2605026404 is an apocalyptic number.

It is an amenable number.

2605026404 is a deficient number, since it is larger than the sum of its proper divisors (1955423896).

2605026404 is a wasteful number, since it uses less digits than its factorization.

2605026404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236302 (or 236300 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2605026404 is about 51039.4592839697. The cubic root of 2605026404 is about 1375.9544058547.

The spelling of 2605026404 in words is "two billion, six hundred five million, twenty-six thousand, four hundred four".