33420042244 has 24 divisors (see below), whose sum is σ = 58788192960. Its totient is φ = 16623605856.

The previous prime is 33420042241. The next prime is 33420042259. The reversal of 33420042244 is 44224002433.

It is a happy number.

It is a super-2 number, since 2×33420042244² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33420042241) 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, 693567 + ... + 740185.

It is an arithmetic number, because the mean of its divisors is an integer number (2449508040).

Almost surely, 2^33420042244 is an apocalyptic number.

It is an amenable number.

33420042244 is a deficient number, since it is larger than the sum of its proper divisors (25368150716).

33420042244 is a wasteful number, since it uses less digits than its factorization.

33420042244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47547 (or 47545 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 33420042244 its reverse (44224002433), we get a palindrome (77644044677).

The spelling of 33420042244 in words is "thirty-three billion, four hundred twenty million, forty-two thousand, two hundred forty-four".