40220540185 has 16 divisors (see below), whose sum is σ = 56504956032. Its totient is φ = 26907120000.

The previous prime is 40220540179. The next prime is 40220540207. The reversal of 40220540185 is 58104502204.

It is not a de Polignac number, because 40220540185 - 2¹⁹ = 40220015897 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 14012691 + ... + 14015560.

It is an arithmetic number, because the mean of its divisors is an integer number (3531559752).

Almost surely, 2^40220540185 is an apocalyptic number.

It is an amenable number.

40220540185 is a deficient number, since it is larger than the sum of its proper divisors (16284415847).

40220540185 is a wasteful number, since it uses less digits than its factorization.

40220540185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28028304.

The product of its (nonzero) digits is 12800, while the sum is 31.

The spelling of 40220540185 in words is "forty billion, two hundred twenty million, five hundred forty thousand, one hundred eighty-five".