4404004003998 has 24 divisors (see below), whose sum is σ = 9640379902608. Its totient is φ = 1452867299712.

The previous prime is 4404004003979. The next prime is 4404004004053. The reversal of 4404004003998 is 8993004004044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1261167786 + ... + 1261171277.

It is an arithmetic number, because the mean of its divisors is an integer number (401682495942).

Almost surely, 2^{4404004003998} is an apocalyptic number.

4404004003998 is an abundant number, since it is smaller than the sum of its proper divisors (5236375898610).

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

4404004003998 is a wasteful number, since it uses less digits than its factorization.

4404004003998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522339168 (or 2522339165 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 4404004003998 in words is "four trillion, four hundred four billion, four million, three thousand, nine hundred ninety-eight".