404344443406 has 16 divisors (see below), whose sum is σ = 608101603200. Its totient is φ = 201644597880.

The previous prime is 404344443397. The next prime is 404344443463. The reversal of 404344443406 is 604344443404.

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, 1007745 + ... + 1350643.

It is an arithmetic number, because the mean of its divisors is an integer number (38006350200).

Almost surely, 2^404344443406 is an apocalyptic number.

404344443406 is a deficient number, since it is larger than the sum of its proper divisors (203757159794).

404344443406 is a wasteful number, since it uses less digits than its factorization.

404344443406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344439.

The product of its (nonzero) digits is 884736, while the sum is 40.

The spelling of 404344443406 in words is "four hundred four billion, three hundred forty-four million, four hundred forty-three thousand, four hundred six".