40342002042 has 16 divisors (see below), whose sum is σ = 82560376800. Its totient is φ = 13134605232.

The previous prime is 40342002037. The next prime is 40342002053. The reversal of 40342002042 is 24020024304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78181917 + ... + 78182432.

It is an arithmetic number, because the mean of its divisors is an integer number (5160023550).

Almost surely, 2^40342002042 is an apocalyptic number.

40342002042 is an abundant number, since it is smaller than the sum of its proper divisors (42218374758).

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

40342002042 is a wasteful number, since it uses less digits than its factorization.

40342002042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156364397.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 40342002042 its reverse (24020024304), we get a palindrome (64362026346).

The spelling of 40342002042 in words is "forty billion, three hundred forty-two million, two thousand, forty-two".