6406044404 has 24 divisors (see below), whose sum is σ = 11253044040. Its totient is φ = 3190910976.

The previous prime is 6406044371. The next prime is 6406044457. The reversal of 6406044404 is 4044406046.

It can be written as a sum of positive squares in 4 ways, for example, as 3107839504 + 3298204900 = 55748^2 + 57430^2 .

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, 1549412 + ... + 1553540.

It is an arithmetic number, because the mean of its divisors is an integer number (468876835).

Almost surely, 2^6406044404 is an apocalyptic number.

It is an amenable number.

6406044404 is a deficient number, since it is larger than the sum of its proper divisors (4846999636).

6406044404 is a wasteful number, since it uses less digits than its factorization.

6406044404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507 (or 5505 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 6406044404 is about 80037.7686095758. The cubic root of 6406044404 is about 1857.2198419966.

The spelling of 6406044404 in words is "six billion, four hundred six million, forty-four thousand, four hundred four".