40312244422 has 8 divisors (see below), whose sum is σ = 60524935200. Its totient is φ = 20137266024.

The previous prime is 40312244377. The next prime is 40312244443. The reversal of 40312244422 is 22444221304.

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

It is a super-2 number, since 2×40312244422² (a number of 22 digits) contains 22 as substring.

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, 9425422 + ... + 9429697.

It is an arithmetic number, because the mean of its divisors is an integer number (7565616900).

Almost surely, 2^40312244422 is an apocalyptic number.

40312244422 is a deficient number, since it is larger than the sum of its proper divisors (20212690778).

40312244422 is a wasteful number, since it uses less digits than its factorization.

40312244422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18856190.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 40312244422 its reverse (22444221304), we get a palindrome (62756465726).

The spelling of 40312244422 in words is "forty billion, three hundred twelve million, two hundred forty-four thousand, four hundred twenty-two".