40220042042 has 32 divisors (see below), whose sum is σ = 67359314880. Its totient is φ = 17899349760.

The previous prime is 40220042039. The next prime is 40220042077. The reversal of 40220042042 is 24024002204.

40220042042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 314348 + ... + 423384.

It is an arithmetic number, because the mean of its divisors is an integer number (2104978590).

Almost surely, 2^40220042042 is an apocalyptic number.

40220042042 is a deficient number, since it is larger than the sum of its proper divisors (27139272838).

40220042042 is a wasteful number, since it uses less digits than its factorization.

40220042042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109646.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40220042042 its reverse (24024002204), we get a palindrome (64244044246).

The spelling of 40220042042 in words is "forty billion, two hundred twenty million, forty-two thousand, forty-two".