40440042402222 has 8 divisors (see below), whose sum is σ = 80880084804456. Its totient is φ = 13480014134072.

The previous prime is 40440042402163. The next prime is 40440042402247. The reversal of 40440042402222 is 22220424004404.

It is a happy number.

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

40440042402222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 40440042402222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3370003533513 + ... + 3370003533524.

It is an arithmetic number, because the mean of its divisors is an integer number (10110010600557).

Almost surely, 2^{40440042402222} is an apocalyptic number.

40440042402222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40440042402222 is a wasteful number, since it uses less digits than its factorization.

40440042402222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740007067042.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 40440042402222 its reverse (22220424004404), we get a palindrome (62660466406626).

The spelling of 40440042402222 in words is "forty trillion, four hundred forty billion, forty-two million, four hundred two thousand, two hundred twenty-two".