406704344403 has 8 divisors (see below), whose sum is σ = 619739953408. Its totient is φ = 232402482504.

The previous prime is 406704344377. The next prime is 406704344441. The reversal of 406704344403 is 304443407604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 406704344403 - 2⁶ = 406704344339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406704344443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9683436751 + ... + 9683436792.

It is an arithmetic number, because the mean of its divisors is an integer number (77467494176).

Almost surely, 2^406704344403 is an apocalyptic number.

406704344403 is a deficient number, since it is larger than the sum of its proper divisors (213035609005).

406704344403 is a wasteful number, since it uses less digits than its factorization.

406704344403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19366873553.

The product of its (nonzero) digits is 387072, while the sum is 39.

The spelling of 406704344403 in words is "four hundred six billion, seven hundred four million, three hundred forty-four thousand, four hundred three".