33899731144 has 64 divisors (see below), whose sum is σ = 70963084800. Its totient is φ = 15087596544.

The previous prime is 33899731123. The next prime is 33899731153. The reversal of 33899731144 is 44113799833.

It is a super-2 number, since 2×33899731144² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33899731091 and 33899731100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1557682 + ... + 1579294.

It is an arithmetic number, because the mean of its divisors is an integer number (1108798200).

Almost surely, 2^33899731144 is an apocalyptic number.

33899731144 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

33899731144 is an abundant number, since it is smaller than the sum of its proper divisors (37063353656).

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

33899731144 is a wasteful number, since it uses less digits than its factorization.

33899731144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22262 (or 22258 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The spelling of 33899731144 in words is "thirty-three billion, eight hundred ninety-nine million, seven hundred thirty-one thousand, one hundred forty-four".