198644924382 has 32 divisors (see below), whose sum is σ = 398544640800. Its totient is φ = 66006171648.

The previous prime is 198644924377. The next prime is 198644924383. The reversal of 198644924382 is 283429446891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198644924383) 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, 2414094 + ... + 2495022.

It is an arithmetic number, because the mean of its divisors is an integer number (12454520025).

Almost surely, 2^198644924382 is an apocalyptic number.

198644924382 is an abundant number, since it is smaller than the sum of its proper divisors (199899716418).

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

198644924382 is a wasteful number, since it uses less digits than its factorization.

198644924382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82220.

The product of its digits is 23887872, while the sum is 60.

The spelling of 198644924382 in words is "one hundred ninety-eight billion, six hundred forty-four million, nine hundred twenty-four thousand, three hundred eighty-two".