40444222242 has 8 divisors (see below), whose sum is σ = 80888444496. Its totient is φ = 13481407412.

The previous prime is 40444222213. The next prime is 40444222253. The reversal of 40444222242 is 24222244404.

It is a happy number.

40444222242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

40444222242 is an admirable number.

It is a super-2 number, since 2×40444222242² (a number of 22 digits) contains 22 as substring.

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, 3370351848 + ... + 3370351859.

It is an arithmetic number, because the mean of its divisors is an integer number (10111055562).

Almost surely, 2^40444222242 is an apocalyptic number.

40444222242 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.

40444222242 is a wasteful number, since it uses less digits than its factorization.

40444222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740703712.

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

Adding to 40444222242 its reverse (24222244404), we get a palindrome (64666466646).

The spelling of 40444222242 in words is "forty billion, four hundred forty-four million, two hundred twenty-two thousand, two hundred forty-two".