33159412428 has 24 divisors (see below), whose sum is σ = 77375020800. Its totient is φ = 11052700560.

The previous prime is 33159412361. The next prime is 33159412453. The reversal of 33159412428 is 82421495133.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 33159412428.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442873 + ... + 512303.

It is an arithmetic number, because the mean of its divisors is an integer number (3223959200).

Almost surely, 2^33159412428 is an apocalyptic number.

It is an amenable number.

33159412428 is an abundant number, since it is smaller than the sum of its proper divisors (44215608372).

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

33159412428 is a wasteful number, since it uses less digits than its factorization.

33159412428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109237 (or 109235 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The spelling of 33159412428 in words is "thirty-three billion, one hundred fifty-nine million, four hundred twelve thousand, four hundred twenty-eight".