33116442436 has 72 divisors (see below), whose sum is σ = 73785339936. Its totient is φ = 12860225280.

The previous prime is 33116442427. The next prime is 33116442449. The reversal of 33116442436 is 63424461133.

It is a super-2 number, since 2×33116442436² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33116442395 and 33116442404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 636876 + ... + 686908.

It is an arithmetic number, because the mean of its divisors is an integer number (1024796388).

Almost surely, 2^33116442436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33116442436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36892669968).

33116442436 is an abundant number, since it is smaller than the sum of its proper divisors (40668897500).

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

33116442436 is a wasteful number, since it uses less digits than its factorization.

33116442436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50369 (or 50360 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The spelling of 33116442436 in words is "thirty-three billion, one hundred sixteen million, four hundred forty-two thousand, four hundred thirty-six".