33280998912 has 240 divisors, whose sum is σ = 111015796320. Its totient is φ = 9401204736.

The previous prime is 33280998901. The next prime is 33280998943. The reversal of 33280998912 is 21989908233.

It is a super-2 number, since 2×33280998912² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2864988 + ... + 2876580.

It is an arithmetic number, because the mean of its divisors is an integer number (462565818).

Almost surely, 2^33280998912 is an apocalyptic number.

33280998912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33280998912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55507898160).

33280998912 is an abundant number, since it is smaller than the sum of its proper divisors (77734797408).

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

33280998912 is a wasteful number, since it uses less digits than its factorization.

33280998912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11713 (or 11694 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 33280998912 in words is "thirty-three billion, two hundred eighty million, nine hundred ninety-eight thousand, nine hundred twelve".