40044020422 has 32 divisors (see below), whose sum is σ = 69007705920. Its totient is φ = 17071655040.

The previous prime is 40044020371. The next prime is 40044020447. The reversal of 40044020422 is 22402044004.

It is a junction number, because it is equal to n+sod(n) for n = 40044020393 and 40044020402.

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 15 ways as a sum of consecutive naturals, for example, 4089172 + ... + 4098952.

It is an arithmetic number, because the mean of its divisors is an integer number (2156490810).

Almost surely, 2^40044020422 is an apocalyptic number.

40044020422 is a deficient number, since it is larger than the sum of its proper divisors (28963685498).

40044020422 is a wasteful number, since it uses less digits than its factorization.

40044020422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11296.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40044020422 its reverse (22402044004), we get a palindrome (62446064426).

The spelling of 40044020422 in words is "forty billion, forty-four million, twenty thousand, four hundred twenty-two".