40421224042 has 16 divisors (see below), whose sum is σ = 60971437440. Its totient is φ = 20097499392.

The previous prime is 40421224027. The next prime is 40421224057. The reversal of 40421224042 is 24042212404.

It is an interprime number because it is at equal distance from previous prime (40421224027) and next prime (40421224057).

It is a junction number, because it is equal to n+sod(n) for n = 40421223998 and 40421224016.

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 7 ways as a sum of consecutive naturals, for example, 961009 + ... + 1002187.

It is an arithmetic number, because the mean of its divisors is an integer number (3810714840).

Almost surely, 2^40421224042 is an apocalyptic number.

40421224042 is a deficient number, since it is larger than the sum of its proper divisors (20550213398).

40421224042 is a wasteful number, since it uses less digits than its factorization.

40421224042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43917.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 40421224042 its reverse (24042212404), we get a palindrome (64463436446).

The spelling of 40421224042 in words is "forty billion, four hundred twenty-one million, two hundred twenty-four thousand, forty-two".