409798019904 has 168 divisors, whose sum is σ = 1358300710368. Its totient is φ = 108078566400.

The previous prime is 409798019881. The next prime is 409798019923. The reversal of 409798019904 is 409910897904.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1553022 + ... + 1797629.

It is an arithmetic number, because the mean of its divisors is an integer number (8085123276).

Almost surely, 2^409798019904 is an apocalyptic number.

It is an amenable number.

409798019904 is an abundant number, since it is smaller than the sum of its proper divisors (948502690464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

409798019904 is a wasteful number, since it uses less digits than its factorization.

409798019904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350693 (or 3350676 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 60.

The spelling of 409798019904 in words is "four hundred nine billion, seven hundred ninety-eight million, nineteen thousand, nine hundred four".