33204209472 has 420 divisors, whose sum is σ = 116265984384. Its totient is φ = 9340531200.

The previous prime is 33204209443. The next prime is 33204209491. The reversal of 33204209472 is 27490240233.

It is a happy number.

It is a super-2 number, since 2×33204209472² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 17018097 + ... + 17020047.

Almost surely, 2^33204209472 is an apocalyptic number.

33204209472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33204209472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58132992192).

33204209472 is an abundant number, since it is smaller than the sum of its proper divisors (83061774912).

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

33204209472 is a wasteful number, since it uses less digits than its factorization.

33204209472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056 (or 2030 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 33204209472 in words is "thirty-three billion, two hundred four million, two hundred nine thousand, four hundred seventy-two".