998426000912 has 80 divisors (see below), whose sum is σ = 2021296104960. Its totient is φ = 477222451200.

The previous prime is 998426000909. The next prime is 998426000917. The reversal of 998426000912 is 219000624899.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (998426000917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17867288 + ... + 17923080.

It is an arithmetic number, because the mean of its divisors is an integer number (25266201312).

Almost surely, 2^998426000912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998426000912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1010648052480).

998426000912 is an abundant number, since it is smaller than the sum of its proper divisors (1022870104048).

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

998426000912 is a wasteful number, since it uses less digits than its factorization.

998426000912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56272 (or 56266 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 998426000912 in words is "nine hundred ninety-eight billion, four hundred twenty-six million, nine hundred twelve", and thus it is an aban number.