408404404084 has 24 divisors (see below), whose sum is σ = 752368246560. Its totient is φ = 193443314976.

The previous prime is 408404404049. The next prime is 408404404097. The reversal of 408404404084 is 480404404804.

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, 1217634 + ... + 1516390.

It is an arithmetic number, because the mean of its divisors is an integer number (31348676940).

Almost surely, 2^408404404084 is an apocalyptic number.

It is an amenable number.

408404404084 is a deficient number, since it is larger than the sum of its proper divisors (343963842476).

408404404084 is a wasteful number, since it uses less digits than its factorization.

408404404084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316767 (or 316765 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

Adding to 408404404084 its reverse (480404404804), we get a palindrome (888808808888).

The spelling of 408404404084 in words is "four hundred eight billion, four hundred four million, four hundred four thousand, eighty-four".