40140144041242 has 32 divisors (see below), whose sum is σ = 69111511027200. Its totient is φ = 17127984830208.

The previous prime is 40140144041219. The next prime is 40140144041279. The reversal of 40140144041242 is 24214044104104.

It is a super-2 number, since 2×40140144041242² (a number of 28 digits) contains 22 as substring.

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, 18418434 + ... + 20482162.

It is an arithmetic number, because the mean of its divisors is an integer number (2159734719600).

Almost surely, 2^{40140144041242} is an apocalyptic number.

40140144041242 is a deficient number, since it is larger than the sum of its proper divisors (28971366985958).

40140144041242 is a wasteful number, since it uses less digits than its factorization.

40140144041242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069790.

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 40140144041242 its reverse (24214044104104), we get a palindrome (64354188145346).

The spelling of 40140144041242 in words is "forty trillion, one hundred forty billion, one hundred forty-four million, forty-one thousand, two hundred forty-two".