33198989444 has 36 divisors (see below), whose sum is σ = 61741706964. Its totient is φ = 15616751616.

The previous prime is 33198989443. The next prime is 33198989449. The reversal of 33198989444 is 44498989133.

It can be written as a sum of positive squares in 6 ways, for example, as 52417600 + 33146571844 = 7240^2 + 182062^2 .

It is a super-2 number, since 2×33198989444² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33198989443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4149512 + ... + 4157504.

Almost surely, 2^33198989444 is an apocalyptic number.

33198989444 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

33198989444 is a deficient number, since it is larger than the sum of its proper divisors (28542717520).

33198989444 is a wasteful number, since it uses less digits than its factorization.

33198989444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11624 (or 11605 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 62.

The spelling of 33198989444 in words is "thirty-three billion, one hundred ninety-eight million, nine hundred eighty-nine thousand, four hundred forty-four".