40864422044 has 24 divisors (see below), whose sum is σ = 75734090208. Its totient is φ = 19226577920.

The previous prime is 40864422037. The next prime is 40864422089. The reversal of 40864422044 is 44022446804.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40864421989 and 40864422007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311009 + ... + 422439.

It is an arithmetic number, because the mean of its divisors is an integer number (3155587092).

Almost surely, 2^40864422044 is an apocalyptic number.

It is an amenable number.

40864422044 is a deficient number, since it is larger than the sum of its proper divisors (34869668164).

40864422044 is a wasteful number, since it uses less digits than its factorization.

40864422044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116845 (or 116843 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 38.

Adding to 40864422044 its reverse (44022446804), we get a palindrome (84886868848).

The spelling of 40864422044 in words is "forty billion, eight hundred sixty-four million, four hundred twenty-two thousand, forty-four".