33240432142 has 16 divisors (see below), whose sum is σ = 51599489760. Its totient is φ = 16041035808.

The previous prime is 33240432133. The next prime is 33240432149. The reversal of 33240432142 is 24123404233.

It is a super-2 number, since 2×33240432142² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33240432142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33240432149) 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, 48223 + ... + 262309.

It is an arithmetic number, because the mean of its divisors is an integer number (3224968110).

Almost surely, 2^33240432142 is an apocalyptic number.

33240432142 is a deficient number, since it is larger than the sum of its proper divisors (18359057618).

33240432142 is a wasteful number, since it uses less digits than its factorization.

33240432142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216795.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 33240432142 its reverse (24123404233), we get a palindrome (57363836375).

The spelling of 33240432142 in words is "thirty-three billion, two hundred forty million, four hundred thirty-two thousand, one hundred forty-two".