404439580272 has 160 divisors (see below), whose sum is σ = 1286192678400. Its totient is φ = 106641976320.

The previous prime is 404439580261. The next prime is 404439580373. The reversal of 404439580272 is 272085934404.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30128122 + ... + 30141542.

It is an arithmetic number, because the mean of its divisors is an integer number (8038704240).

Almost surely, 2^404439580272 is an apocalyptic number.

404439580272 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404439580272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643096339200).

404439580272 is an abundant number, since it is smaller than the sum of its proper divisors (881753098128).

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

404439580272 is a wasteful number, since it uses less digits than its factorization.

404439580272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20351 (or 20345 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 404439580272 in words is "four hundred four billion, four hundred thirty-nine million, five hundred eighty thousand, two hundred seventy-two".