33680231216442 has 12 divisors (see below), whose sum is σ = 72973834302330. Its totient is φ = 11226743738808.

The previous prime is 33680231216441. The next prime is 33680231216449. The reversal of 33680231216442 is 24461213208633.

33680231216442 is a `hidden beast` number, since 3 + 3 + 6 + 80 + 2 + 3 + 121 + 6 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31119427953441 + 2560803263001 = 5578479^2 + 1600251^2 .

It is a super-2 number, since 2×33680231216442² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33680231216441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 935561978217 + ... + 935561978252.

Almost surely, 2^{33680231216442} is an apocalyptic number.

33680231216442 is an abundant number, since it is smaller than the sum of its proper divisors (39293603085888).

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

33680231216442 is a wasteful number, since it uses less digits than its factorization.

33680231216442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871123956477 (or 1871123956474 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 33680231216442 in words is "thirty-three trillion, six hundred eighty billion, two hundred thirty-one million, two hundred sixteen thousand, four hundred forty-two".