33438329880842 has 16 divisors (see below), whose sum is σ = 53241708852360. Its totient is φ = 15696048158208.

The previous prime is 33438329880833. The next prime is 33438329880853. The reversal of 33438329880842 is 24808892383433.

It can be written as a sum of positive squares in 4 ways, for example, as 33078820513561 + 359509367281 = 5751419^2 + 599591^2 .

It is a super-2 number, since 2×33438329880842² (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 7 ways as a sum of consecutive naturals, for example, 1238626667 + ... + 1238653662.

Almost surely, 2^{33438329880842} is an apocalyptic number.

33438329880842 is a deficient number, since it is larger than the sum of its proper divisors (19803378971518).

33438329880842 is a wasteful number, since it uses less digits than its factorization.

33438329880842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477280745.

The product of its (nonzero) digits is 191102976, while the sum is 65.

The spelling of 33438329880842 in words is "thirty-three trillion, four hundred thirty-eight billion, three hundred twenty-nine million, eight hundred eighty thousand, eight hundred forty-two".