404440880080 has 20 divisors (see below), whose sum is σ = 940325046372. Its totient is φ = 161776352000.

The previous prime is 404440879991. The next prime is 404440880197. The reversal of 404440880080 is 80088044404.

It can be written as a sum of positive squares in 2 ways, for example, as 245326052416 + 159114827664 = 495304^2 + 398892^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527755421 + ... + 2527755580.

Almost surely, 2^404440880080 is an apocalyptic number.

404440880080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404440880080 is an abundant number, since it is smaller than the sum of its proper divisors (535884166292).

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

404440880080 is a wasteful number, since it uses less digits than its factorization.

404440880080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055511014 (or 5055511008 counting only the distinct ones).

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

The spelling of 404440880080 in words is "four hundred four billion, four hundred forty million, eight hundred eighty thousand, eighty".