33142332344 has 64 divisors (see below), whose sum is σ = 69710790240. Its totient is φ = 14639132160.

The previous prime is 33142332343. The next prime is 33142332361. The reversal of 33142332344 is 44323324133.

It is a self number, because there is not a number n which added to its sum of digits gives 33142332344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33142332343) 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, 2771402 + ... + 2783334.

Almost surely, 2^33142332344 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 33142332344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34855395120).

33142332344 is an abundant number, since it is smaller than the sum of its proper divisors (36568457896).

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

33142332344 is a wasteful number, since it uses less digits than its factorization.

33142332344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840 (or 12836 counting only the distinct ones).

The product of its digits is 62208, while the sum is 32.

Adding to 33142332344 its reverse (44323324133), we get a palindrome (77465656477).

The spelling of 33142332344 in words is "thirty-three billion, one hundred forty-two million, three hundred thirty-two thousand, three hundred forty-four".