40220041985 has 8 divisors (see below), whose sum is σ = 50804263680. Its totient is φ = 30482558064.

The previous prime is 40220041949. The next prime is 40220041997. The reversal of 40220041985 is 58914002204.

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 40220041985 - 2⁶ = 40220041921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211684337 + ... + 211684526.

It is an arithmetic number, because the mean of its divisors is an integer number (6350532960).

Almost surely, 2^40220041985 is an apocalyptic number.

It is an amenable number.

40220041985 is a deficient number, since it is larger than the sum of its proper divisors (10584221695).

40220041985 is a wasteful number, since it uses less digits than its factorization.

40220041985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423368887.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 40220041985 in words is "forty billion, two hundred twenty million, forty-one thousand, nine hundred eighty-five".