40400422444 has 12 divisors (see below), whose sum is σ = 72344942824. Its totient is φ = 19730438784.

The previous prime is 40400422357. The next prime is 40400422471. The reversal of 40400422444 is 44422400404.

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, 117442917 + ... + 117443260.

Almost surely, 2^40400422444 is an apocalyptic number.

It is an amenable number.

40400422444 is a deficient number, since it is larger than the sum of its proper divisors (31944520380).

40400422444 is a wasteful number, since it uses less digits than its factorization.

40400422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234886224 (or 234886222 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40400422444 its reverse (44422400404), we get a palindrome (84822822848).

The spelling of 40400422444 in words is "forty billion, four hundred million, four hundred twenty-two thousand, four hundred forty-four".