40444212422 has 4 divisors (see below), whose sum is σ = 60666318636. Its totient is φ = 20222106210.

The previous prime is 40444212401. The next prime is 40444212427. The reversal of 40444212422 is 22421244404.

It is a happy number.

40444212422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444212427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111053104 + ... + 10111053107.

It is an arithmetic number, because the mean of its divisors is an integer number (15166579659).

Almost surely, 2^40444212422 is an apocalyptic number.

40444212422 is a deficient number, since it is larger than the sum of its proper divisors (20222106214).

40444212422 is a wasteful number, since it uses less digits than its factorization.

40444212422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222106213.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 40444212422 its reverse (22421244404), we get a palindrome (62865456826).

The spelling of 40444212422 in words is "forty billion, four hundred forty-four million, two hundred twelve thousand, four hundred twenty-two".