5441640185 has 16 divisors (see below), whose sum is σ = 7110676800. Its totient is φ = 3981974976.

The previous prime is 5441640181. The next prime is 5441640227. The reversal of 5441640185 is 5810461445.

It is a cyclic number.

It is not a de Polignac number, because 5441640185 - 2² = 5441640181 is a prime.

It is a super-2 number, since 2×5441640185² = 59222895806013668450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5441640181) 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, 984839 + ... + 990348.

It is an arithmetic number, because the mean of its divisors is an integer number (444417300).

Almost surely, 2^5441640185 is an apocalyptic number.

It is an amenable number.

5441640185 is a deficient number, since it is larger than the sum of its proper divisors (1669036615).

5441640185 is a wasteful number, since it uses less digits than its factorization.

5441640185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975240.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 5441640185 is about 73767.4737604590. The cubic root of 5441640185 is about 1758.9086063490.

The spelling of 5441640185 in words is "five billion, four hundred forty-one million, six hundred forty thousand, one hundred eighty-five".