40534434442 has 8 divisors (see below), whose sum is σ = 60814133316. Its totient is φ = 20263056672.

The previous prime is 40534434407. The next prime is 40534434443. The reversal of 40534434442 is 24443443504.

It can be written as a sum of positive squares in 2 ways, for example, as 34816201281 + 5718233161 = 186591^2 + 75619^2 .

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 (40534434443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2068083 + ... + 2087590.

Almost surely, 2^40534434442 is an apocalyptic number.

40534434442 is a deficient number, since it is larger than the sum of its proper divisors (20279698874).

40534434442 is a wasteful number, since it uses less digits than its factorization.

40534434442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160552.

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 40534434442 its reverse (24443443504), we get a palindrome (64977877946).

The spelling of 40534434442 in words is "forty billion, five hundred thirty-four million, four hundred thirty-four thousand, four hundred forty-two".