44440140187 has 2 divisors, whose sum is σ = 44440140188. Its totient is φ = 44440140186.

The previous prime is 44440140167. The next prime is 44440140233. The reversal of 44440140187 is 78104104444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44440140187 - 2¹¹ = 44440138139 is a prime.

It is not a weakly prime, because it can be changed into another prime (44440140167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22220070093 + 22220070094.

It is an arithmetic number, because the mean of its divisors is an integer number (22220070094).

Almost surely, 2^44440140187 is an apocalyptic number.

44440140187 is a deficient number, since it is larger than the sum of its proper divisors (1).

44440140187 is an equidigital number, since it uses as much as digits as its factorization.

44440140187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57344, while the sum is 37.

The spelling of 44440140187 in words is "forty-four billion, four hundred forty million, one hundred forty thousand, one hundred eighty-seven".