33438873973772 has 48 divisors (see below), whose sum is σ = 60053188618080. Its totient is φ = 16286609276928.

The previous prime is 33438873973711. The next prime is 33438873973777. The reversal of 33438873973772 is 27737937883433.

It is a super-2 number, since 2×33438873973772² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33438873973772.

It is not an unprimeable number, because it can be changed into a prime (33438873973777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77558348 + ... + 77988300.

It is an arithmetic number, because the mean of its divisors is an integer number (1251108096210).

Almost surely, 2^{33438873973772} is an apocalyptic number.

It is an amenable number.

33438873973772 is a deficient number, since it is larger than the sum of its proper divisors (26614314644308).

33438873973772 is a wasteful number, since it uses less digits than its factorization.

33438873973772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433322 (or 433320 counting only the distinct ones).

The product of its digits is 2688505344, while the sum is 74.

The spelling of 33438873973772 in words is "thirty-three trillion, four hundred thirty-eight billion, eight hundred seventy-three million, nine hundred seventy-three thousand, seven hundred seventy-two".