408004444479 has 16 divisors (see below), whose sum is σ = 580859718912. Its totient is φ = 254126123328.

The previous prime is 408004444423. The next prime is 408004444481. The reversal of 408004444479 is 974444400804.

It is a de Polignac number, because none of the positive numbers 2^k-408004444479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408004444079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68754102 + ... + 68760035.

It is an arithmetic number, because the mean of its divisors is an integer number (36303732432).

Almost surely, 2^408004444479 is an apocalyptic number.

408004444479 is a deficient number, since it is larger than the sum of its proper divisors (172855274433).

408004444479 is a wasteful number, since it uses less digits than its factorization.

408004444479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137514206.

The product of its (nonzero) digits is 2064384, while the sum is 48.

The spelling of 408004444479 in words is "four hundred eight billion, four million, four hundred forty-four thousand, four hundred seventy-nine".