40032144042 has 32 divisors (see below), whose sum is σ = 89374095360. Its totient is φ = 11848836720.

The previous prime is 40032144001. The next prime is 40032144067. The reversal of 40032144042 is 24044123004.

It is a happy 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, 7050042 + ... + 7055717.

It is an arithmetic number, because the mean of its divisors is an integer number (2792940480).

Almost surely, 2^40032144042 is an apocalyptic number.

40032144042 is an abundant number, since it is smaller than the sum of its proper divisors (49341951318).

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

40032144042 is a wasteful number, since it uses less digits than its factorization.

40032144042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14105818.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40032144042 its reverse (24044123004), we get a palindrome (64076267046).

The spelling of 40032144042 in words is "forty billion, thirty-two million, one hundred forty-four thousand, forty-two".