404480080840 has 64 divisors (see below), whose sum is σ = 993282937920. Its totient is φ = 147014304000.

The previous prime is 404480080811. The next prime is 404480080841. The reversal of 404480080840 is 48080084404.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 404480080793 and 404480080802.

It is not an unprimeable number, because it can be changed into a prime (404480080841) 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, 721950 + ... + 1153330.

It is an arithmetic number, because the mean of its divisors is an integer number (15520045905).

Almost surely, 2^404480080840 is an apocalyptic number.

404480080840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404480080840 is an abundant number, since it is smaller than the sum of its proper divisors (588802857080).

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

404480080840 is a wasteful number, since it uses less digits than its factorization.

404480080840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433534 (or 433530 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 404480080840 in words is "four hundred four billion, four hundred eighty million, eighty thousand, eight hundred forty".