40422221985 has 8 divisors (see below), whose sum is σ = 64675555200. Its totient is φ = 21558518384.

The previous prime is 40422221981. The next prime is 40422222007. The reversal of 40422221985 is 58912222404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40422221985 - 2² = 40422221981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40422221981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347407385 + ... + 1347407414.

It is an arithmetic number, because the mean of its divisors is an integer number (8084444400).

Almost surely, 2^40422221985 is an apocalyptic number.

It is an amenable number.

40422221985 is a deficient number, since it is larger than the sum of its proper divisors (24253333215).

40422221985 is a wasteful number, since it uses less digits than its factorization.

40422221985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694814807.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 40422221985 in words is "forty billion, four hundred twenty-two million, two hundred twenty-one thousand, nine hundred eighty-five".