33996243987472 has 160 divisors (see below), whose sum is σ = 71766555396480. Its totient is φ = 15507745505280.

The previous prime is 33996243987413. The next prime is 33996243987577. The reversal of 33996243987472 is 27478934269933.

It is a super-2 number, since 2×33996243987472² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14278135722 + ... + 14278138102.

It is an arithmetic number, because the mean of its divisors is an integer number (448540971228).

Almost surely, 2^{33996243987472} 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 33996243987472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35883277698240).

33996243987472 is an abundant number, since it is smaller than the sum of its proper divisors (37770311409008).

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

33996243987472 is a wasteful number, since it uses less digits than its factorization.

33996243987472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761 (or 4755 counting only the distinct ones).

The product of its digits is 2962842624, while the sum is 76.

The spelling of 33996243987472 in words is "thirty-three trillion, nine hundred ninety-six billion, two hundred forty-three million, nine hundred eighty-seven thousand, four hundred seventy-two".