40227389985 has 16 divisors (see below), whose sum is σ = 64463319936. Its totient is φ = 21421442688.

The previous prime is 40227389981. The next prime is 40227389987. The reversal of 40227389985 is 58998372204.

It is a happy number.

It is not a de Polignac number, because 40227389985 - 2² = 40227389981 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40227389981) by changing a digit.

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, 2062804 + ... + 2082213.

It is an arithmetic number, because the mean of its divisors is an integer number (4028957496).

Almost surely, 2^40227389985 is an apocalyptic number.

It is an amenable number.

40227389985 is a deficient number, since it is larger than the sum of its proper divisors (24235929951).

40227389985 is a wasteful number, since it uses less digits than its factorization.

40227389985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145672.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 40227389985 in words is "forty billion, two hundred twenty-seven million, three hundred eighty-nine thousand, nine hundred eighty-five".