404408804488 has 32 divisors (see below), whose sum is σ = 817325996760. Its totient is φ = 186483064320.

The previous prime is 404408804483. The next prime is 404408804509. The reversal of 404408804488 is 884408804404.

It can be written as a sum of positive squares in 4 ways, for example, as 75967486884 + 328441317604 = 275622^2 + 573098^2 .

It is a super-2 number, since 2×404408804488² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (404408804483) 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, 1624453 + ... + 1856788.

Almost surely, 2^404408804488 is an apocalyptic number.

It is an amenable number.

404408804488 is an abundant number, since it is smaller than the sum of its proper divisors (412917192272).

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

404408804488 is a wasteful number, since it uses less digits than its factorization.

404408804488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482377 (or 3482373 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 52.

The spelling of 404408804488 in words is "four hundred four billion, four hundred eight million, eight hundred four thousand, four hundred eighty-eight".