40440044004422 has 8 divisors (see below), whose sum is σ = 60831907554456. Its totient is φ = 20162741486272.

The previous prime is 40440044004389. The next prime is 40440044004433. The reversal of 40440044004422 is 22440044004404.

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

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, 28640257088 + ... + 28640258499.

It is an arithmetic number, because the mean of its divisors is an integer number (7603988444307).

Almost surely, 2^{40440044004422} is an apocalyptic number.

40440044004422 is a deficient number, since it is larger than the sum of its proper divisors (20391863550034).

40440044004422 is a wasteful number, since it uses less digits than its factorization.

40440044004422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57280515942.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40440044004422 its reverse (22440044004404), we get a palindrome (62880088008826).

The spelling of 40440044004422 in words is "forty trillion, four hundred forty billion, forty-four million, four thousand, four hundred twenty-two".