404403999990 has 64 divisors (see below), whose sum is σ = 974857609152. Its totient is φ = 107365363200.

The previous prime is 404403999971. The next prime is 404403999991. The reversal of 404403999990 is 99999304404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404403999991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8952060 + ... + 8997120.

It is an arithmetic number, because the mean of its divisors is an integer number (15232150143).

Almost surely, 2^404403999990 is an apocalyptic number.

404403999990 is an abundant number, since it is smaller than the sum of its proper divisors (570453609162).

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

404403999990 is a wasteful number, since it uses less digits than its factorization.

404403999990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46385.

The product of its (nonzero) digits is 11337408, while the sum is 60.

The spelling of 404403999990 in words is "four hundred four billion, four hundred three million, nine hundred ninety-nine thousand, nine hundred ninety".