404944366380 has 96 divisors (see below), whose sum is σ = 1150158901248. Its totient is φ = 106432300800.

The previous prime is 404944366369. The next prime is 404944366417. The reversal of 404944366380 is 83663449404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16401445 + ... + 16426115.

It is an arithmetic number, because the mean of its divisors is an integer number (11980821888).

Almost surely, 2^404944366380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404944366380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575079450624).

404944366380 is an abundant number, since it is smaller than the sum of its proper divisors (745214534868).

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

404944366380 is a wasteful number, since it uses less digits than its factorization.

404944366380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28607 (or 28605 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 51.

The spelling of 404944366380 in words is "four hundred four billion, nine hundred forty-four million, three hundred sixty-six thousand, three hundred eighty".