40042204042 has 16 divisors (see below), whose sum is σ = 60643935360. Its totient is φ = 19827678208.

The previous prime is 40042203997. The next prime is 40042204057. The reversal of 40042204042 is 24040224004.

It is a super-2 number, since 2×40042204042² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684303 + ... + 740509.

It is an arithmetic number, because the mean of its divisors is an integer number (3790245960).

Almost surely, 2^40042204042 is an apocalyptic number.

40042204042 is a deficient number, since it is larger than the sum of its proper divisors (20601731318).

40042204042 is a wasteful number, since it uses less digits than its factorization.

40042204042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59645.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40042204042 its reverse (24040224004), we get a palindrome (64082428046).

The spelling of 40042204042 in words is "forty billion, forty-two million, two hundred four thousand, forty-two".