33040142031344 has 80 divisors (see below), whose sum is σ = 73998795964416. Its totient is φ = 13998567744000.

The previous prime is 33040142031263. The next prime is 33040142031359. The reversal of 33040142031344 is 44313024104033.

It is a self number, because there is not a number n which added to its sum of digits gives 33040142031344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136232 + ... + 8130119.

Almost surely, 2^{33040142031344} 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 33040142031344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36999397982208).

33040142031344 is an abundant number, since it is smaller than the sum of its proper divisors (40958653933072).

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

33040142031344 is a wasteful number, since it uses less digits than its factorization.

33040142031344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8266774 (or 8266768 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 33040142031344 its reverse (44313024104033), we get a palindrome (77353166135377).

The spelling of 33040142031344 in words is "thirty-three trillion, forty billion, one hundred forty-two million, thirty-one thousand, three hundred forty-four".