2604400606 has 16 divisors (see below), whose sum is σ = 4011180768. Its totient is φ = 1267488000.

The previous prime is 2604400583. The next prime is 2604400621. The reversal of 2604400606 is 6060044062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170 + ... + 72181.

It is an arithmetic number, because the mean of its divisors is an integer number (250698798).

Almost surely, 2^2604400606 is an apocalyptic number.

2604400606 is a deficient number, since it is larger than the sum of its proper divisors (1406780162).

2604400606 is a wasteful number, since it uses less digits than its factorization.

2604400606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73827.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2604400606 is about 51033.3283844979. The cubic root of 2604400606 is about 1375.8442165077.

Adding to 2604400606 its reverse (6060044062), we get a palindrome (8664444668).

The spelling of 2604400606 in words is "two billion, six hundred four million, four hundred thousand, six hundred six".