40433440042 has 8 divisors (see below), whose sum is σ = 63287123616. Its totient is φ = 19337732172.

The previous prime is 40433440039. The next prime is 40433440043. The reversal of 40433440042 is 24004433404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40433440043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439493868 + ... + 439493959.

It is an arithmetic number, because the mean of its divisors is an integer number (7910890452).

Almost surely, 2^40433440042 is an apocalyptic number.

40433440042 is a deficient number, since it is larger than the sum of its proper divisors (22853683574).

40433440042 is a wasteful number, since it uses less digits than its factorization.

40433440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878987852.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 40433440042 its reverse (24004433404), we get a palindrome (64437873446).

The spelling of 40433440042 in words is "forty billion, four hundred thirty-three million, four hundred forty thousand, forty-two".