998426000904 has 16 divisors (see below), whose sum is σ = 2496065002320. Its totient is φ = 332808666960.

The previous prime is 998426000903. The next prime is 998426000909. The reversal of 998426000904 is 409000624899.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (998426000903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20800541662 + ... + 20800541709.

It is an arithmetic number, because the mean of its divisors is an integer number (156004062645).

Almost surely, 2^998426000904 is an apocalyptic number.

It is an amenable number.

998426000904 is an abundant number, since it is smaller than the sum of its proper divisors (1497639001416).

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

998426000904 is a wasteful number, since it uses less digits than its factorization.

998426000904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41601083380 (or 41601083376 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 998426000904 in words is "nine hundred ninety-eight billion, four hundred twenty-six million, nine hundred four", and thus it is an aban number.