991102440404 has 48 divisors (see below), whose sum is σ = 1774073775936. Its totient is φ = 484386739200.

The previous prime is 991102440287. The next prime is 991102440457. The reversal of 991102440404 is 404044201199.

991102440404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10678502 + ... + 10770914.

It is an arithmetic number, because the mean of its divisors is an integer number (36959870332).

Almost surely, 2^991102440404 is an apocalyptic number.

It is an amenable number.

991102440404 is a deficient number, since it is larger than the sum of its proper divisors (782971335532).

991102440404 is a wasteful number, since it uses less digits than its factorization.

991102440404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92856 (or 92854 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 991102440404 in words is "nine hundred ninety-one billion, one hundred two million, four hundred forty thousand, four hundred four".