33280211428128 has 96 divisors (see below), whose sum is σ = 110934038113920. Its totient is φ = 9508631834880.

The previous prime is 33280211428103. The next prime is 33280211428157. The reversal of 33280211428128 is 82182411208233.

33280211428128 is a `hidden beast` number, since 3 + 3 + 2 + 8 + 0 + 211 + 428 + 1 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×33280211428128² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2751334183 + ... + 2751346278.

It is an arithmetic number, because the mean of its divisors is an integer number (1155562897020).

Almost surely, 2^{33280211428128} is an apocalyptic number.

It is an amenable number.

33280211428128 is an abundant number, since it is smaller than the sum of its proper divisors (77653826685792).

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

33280211428128 is a wasteful number, since it uses less digits than its factorization.

33280211428128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502680487 (or 5502680473 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 33280211428128 in words is "thirty-three trillion, two hundred eighty billion, two hundred eleven million, four hundred twenty-eight thousand, one hundred twenty-eight".