40444223322 has 16 divisors (see below), whose sum is σ = 81299050272. Its totient is φ = 13412973840.

The previous prime is 40444223321. The next prime is 40444223381. The reversal of 40444223322 is 22332244404.

It is a self number, because there is not a number n which added to its sum of digits gives 40444223322.

It is not an unprimeable number, because it can be changed into a prime (40444223321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17107204 + ... + 17109567.

It is an arithmetic number, because the mean of its divisors is an integer number (5081190642).

Almost surely, 2^40444223322 is an apocalyptic number.

40444223322 is an abundant number, since it is smaller than the sum of its proper divisors (40854826950).

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

40444223322 is a wasteful number, since it uses less digits than its factorization.

40444223322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34216973.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 40444223322 its reverse (22332244404), we get a palindrome (62776467726).

The spelling of 40444223322 in words is "forty billion, four hundred forty-four million, two hundred twenty-three thousand, three hundred twenty-two".