6401080904 has 16 divisors (see below), whose sum is σ = 12013354620. Its totient is φ = 3197519680.

The previous prime is 6401080901. The next prime is 6401080927. The reversal of 6401080904 is 4090801046.

It can be written as a sum of positive squares in 2 ways, for example, as 6226788100 + 174292804 = 78910^2 + 13202^2 .

It is not an unprimeable number, because it can be changed into a prime (6401080901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368579 + ... + 385554.

Almost surely, 2^6401080904 is an apocalyptic number.

It is an amenable number.

6401080904 is a deficient number, since it is larger than the sum of its proper divisors (5612273716).

6401080904 is a wasteful number, since it uses less digits than its factorization.

6401080904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755200 (or 755196 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 6401080904 is about 80006.7553647815. The cubic root of 6401080904 is about 1856.7400507267.

The spelling of 6401080904 in words is "six billion, four hundred one million, eighty thousand, nine hundred four".