404040000444 has 48 divisors (see below), whose sum is σ = 977826644256. Its totient is φ = 129742560000.

The previous prime is 404040000421. The next prime is 404040000451. The reversal of 404040000444 is 444000040404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4460107 + ... + 4549794.

It is an arithmetic number, because the mean of its divisors is an integer number (20371388422).

Almost surely, 2^404040000444 is an apocalyptic number.

It is an amenable number.

404040000444 is an abundant number, since it is smaller than the sum of its proper divisors (573786643812).

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

404040000444 is a wasteful number, since it uses less digits than its factorization.

404040000444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010046 (or 9010044 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 404040000444 its reverse (444000040404), we get a palindrome (848040040848).

The spelling of 404040000444 in words is "four hundred four billion, forty million, four hundred forty-four", and thus it is an aban number.