33840575238 has 16 divisors (see below), whose sum is σ = 67770566640. Its totient is φ = 11265289056.

The previous prime is 33840575231. The next prime is 33840575243. The reversal of 33840575238 is 83257504833.

It is a super-2 number, since 2×33840575238² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33840575231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3720753 + ... + 3729836.

It is an arithmetic number, because the mean of its divisors is an integer number (4235660415).

Almost surely, 2^33840575238 is an apocalyptic number.

33840575238 is an abundant number, since it is smaller than the sum of its proper divisors (33929991402).

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

33840575238 is a wasteful number, since it uses less digits than its factorization.

33840575238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7451351.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 33840575238 in words is "thirty-three billion, eight hundred forty million, five hundred seventy-five thousand, two hundred thirty-eight".