4400404000398 has 96 divisors (see below), whose sum is σ = 10978051848192. Its totient is φ = 1247853600000.

The previous prime is 4400404000387. The next prime is 4400404000417. The reversal of 4400404000398 is 8930004040044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8735398 + ... + 9225398.

It is an arithmetic number, because the mean of its divisors is an integer number (114354706752).

Almost surely, 2^{4400404000398} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4400404000398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5489025924096).

4400404000398 is an abundant number, since it is smaller than the sum of its proper divisors (6577647847794).

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

4400404000398 is a wasteful number, since it uses less digits than its factorization.

4400404000398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490550 (or 490547 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 4400404000398 in words is "four trillion, four hundred billion, four hundred four million, three hundred ninety-eight", and thus it is an aban number.