33256112880 has 80 divisors (see below), whose sum is σ = 103145317920. Its totient is φ = 8863878144.

The previous prime is 33256112863. The next prime is 33256112887. The reversal of 33256112880 is 8821165233.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×33256112880² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33256112887) by changing a digit.

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, 463074 + ... + 530046.

It is an arithmetic number, because the mean of its divisors is an integer number (1289316474).

Almost surely, 2^33256112880 is an apocalyptic number.

33256112880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33256112880 is an abundant number, since it is smaller than the sum of its proper divisors (69889205040).

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

33256112880 is a wasteful number, since it uses less digits than its factorization.

33256112880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69058 (or 69052 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 33256112880 in words is "thirty-three billion, two hundred fifty-six million, one hundred twelve thousand, eight hundred eighty".