406704344404 has 24 divisors (see below), whose sum is σ = 718693976000. Its totient is φ = 201363490944.

The previous prime is 406704344377. The next prime is 406704344441. The reversal of 406704344404 is 404443407604.

It is a happy number.

It is a super-2 number, since 2×406704344404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7904947 + ... + 7956229.

Almost surely, 2^406704344404 is an apocalyptic number.

It is an amenable number.

406704344404 is a deficient number, since it is larger than the sum of its proper divisors (311989631596).

406704344404 is a wasteful number, since it uses less digits than its factorization.

406704344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70639 (or 70637 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 40.

The spelling of 406704344404 in words is "four hundred six billion, seven hundred four million, three hundred forty-four thousand, four hundred four".