404007670444 has 24 divisors (see below), whose sum is σ = 809252767008. Its totient is φ = 172880981760.

The previous prime is 404007670441. The next prime is 404007670471. The reversal of 404007670444 is 444076700404.

It is a super-2 number, since 2×404007670444² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404007670397 and 404007670406.

It is not an unprimeable number, because it can be changed into a prime (404007670441) 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, 11029837 + ... + 11066404.

It is an arithmetic number, because the mean of its divisors is an integer number (33718865292).

Almost surely, 2^404007670444 is an apocalyptic number.

It is an amenable number.

404007670444 is an abundant number, since it is smaller than the sum of its proper divisors (405245096564).

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

404007670444 is a wasteful number, since it uses less digits than its factorization.

404007670444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22096905 (or 22096903 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 40.

The spelling of 404007670444 in words is "four hundred four billion, seven million, six hundred seventy thousand, four hundred forty-four".