40422404444 has 12 divisors (see below), whose sum is σ = 71000239968. Its totient is φ = 20136621600.

The previous prime is 40422404437. The next prime is 40422404453. The reversal of 40422404444 is 44440422404.

It is a self number, because there is not a number n which added to its sum of digits gives 40422404444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18643937 + ... + 18646104.

It is an arithmetic number, because the mean of its divisors is an integer number (5916686664).

Almost surely, 2^40422404444 is an apocalyptic number.

It is an amenable number.

40422404444 is a deficient number, since it is larger than the sum of its proper divisors (30577835524).

40422404444 is a wasteful number, since it uses less digits than its factorization.

40422404444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37290316 (or 37290314 counting only the distinct ones).

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

Adding to 40422404444 its reverse (44440422404), we get a palindrome (84862826848).

The spelling of 40422404444 in words is "forty billion, four hundred twenty-two million, four hundred four thousand, four hundred forty-four".