408444795799 has 6 divisors (see below), whose sum is σ = 410160977720. Its totient is φ = 406735764876.

The previous prime is 408444795761. The next prime is 408444795839. The reversal of 408444795799 is 997597444804.

It is not a de Polignac number, because 408444795799 - 2²¹ = 408442698647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408444795719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3518139 + ... + 3632380.

Almost surely, 2^408444795799 is an apocalyptic number.

408444795799 is a deficient number, since it is larger than the sum of its proper divisors (1716181921).

408444795799 is an frugal number, since it uses more digits than its factorization.

408444795799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7150997 (or 7150758 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 70.

The spelling of 408444795799 in words is "four hundred eight billion, four hundred forty-four million, seven hundred ninety-five thousand, seven hundred ninety-nine".