33809111072 has 48 divisors (see below), whose sum is σ = 72627583392. Its totient is φ = 15364638720.

The previous prime is 33809111059. The next prime is 33809111101. The reversal of 33809111072 is 27011190833.

It is a happy number.

It is a super-2 number, since 2×33809111072² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3295583 + ... + 3305825.

It is an arithmetic number, because the mean of its divisors is an integer number (1513074654).

Almost surely, 2^33809111072 is an apocalyptic number.

33809111072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33809111072 is an abundant number, since it is smaller than the sum of its proper divisors (38818472320).

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

33809111072 is a wasteful number, since it uses less digits than its factorization.

33809111072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19641 (or 19633 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 33809111072 in words is "thirty-three billion, eight hundred nine million, one hundred eleven thousand, seventy-two".