40941487185 has 32 divisors (see below), whose sum is σ = 71178424320. Its totient is φ = 20018923200.

The previous prime is 40941487183. The next prime is 40941487193. The reversal of 40941487185 is 58178414904.

It is not a de Polignac number, because 40941487185 - 2¹ = 40941487183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40941487183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2308171 + ... + 2325840.

It is an arithmetic number, because the mean of its divisors is an integer number (2224325760).

Almost surely, 2^40941487185 is an apocalyptic number.

It is an amenable number.

40941487185 is a deficient number, since it is larger than the sum of its proper divisors (30236937135).

40941487185 is a wasteful number, since it uses less digits than its factorization.

40941487185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4634069.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 40941487185 in words is "forty billion, nine hundred forty-one million, four hundred eighty-seven thousand, one hundred eighty-five".