33042200142 has 64 divisors (see below), whose sum is σ = 76540723200. Its totient is φ = 9313855200.

The previous prime is 33042200069. The next prime is 33042200179. The reversal of 33042200142 is 24100224033.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5368767 + ... + 5374917.

It is an arithmetic number, because the mean of its divisors is an integer number (1195948800).

Almost surely, 2^33042200142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33042200142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38270361600).

33042200142 is an abundant number, since it is smaller than the sum of its proper divisors (43498523058).

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

33042200142 is a wasteful number, since it uses less digits than its factorization.

33042200142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7861.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 33042200142 its reverse (24100224033), we get a palindrome (57142424175).

The spelling of 33042200142 in words is "thirty-three billion, forty-two million, two hundred thousand, one hundred forty-two".