33426832128 has 36 divisors (see below), whose sum is σ = 88964122968. Its totient is φ = 11142277120.

The previous prime is 33426832081. The next prime is 33426832171. The reversal of 33426832128 is 82123862433.

It is a super-2 number, since 2×33426832128² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 33426832128.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21761493 + ... + 21763028.

It is an arithmetic number, because the mean of its divisors is an integer number (2471225638).

Almost surely, 2^33426832128 is an apocalyptic number.

It is an amenable number.

33426832128 is an abundant number, since it is smaller than the sum of its proper divisors (55537290840).

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

33426832128 is an equidigital number, since it uses as much as digits as its factorization.

33426832128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43524540 (or 43524526 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The spelling of 33426832128 in words is "thirty-three billion, four hundred twenty-six million, eight hundred thirty-two thousand, one hundred twenty-eight".