201044431998 has 32 divisors (see below), whose sum is σ = 461177195520. Its totient is φ = 64853042040.

The previous prime is 201044431993. The next prime is 201044432011. The reversal of 201044431998 is 899134440102.

201044431998 is a `hidden beast` number, since 2 + 0 + 10 + 4 + 443 + 199 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201044431993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60047440 + ... + 60050787.

It is an arithmetic number, because the mean of its divisors is an integer number (14411787360).

Almost surely, 2^201044431998 is an apocalyptic number.

201044431998 is an abundant number, since it is smaller than the sum of its proper divisors (260132763522).

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

201044431998 is a wasteful number, since it uses less digits than its factorization.

201044431998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120098269 (or 120098263 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 201044431998 in words is "two hundred one billion, forty-four million, four hundred thirty-one thousand, nine hundred ninety-eight".