2140440201 has 16 divisors (see below), whose sum is σ = 3178571520. Its totient is φ = 1423563120.

The previous prime is 2140440179. The next prime is 2140440209. The reversal of 2140440201 is 1020440412.

2140440201 is a `hidden beast` number, since 21 + 4 + 0 + 440 + 201 = 666.

It is not a de Polignac number, because 2140440201 - 2⁷ = 2140440073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2140440209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82785 + ... + 105518.

It is an arithmetic number, because the mean of its divisors is an integer number (198660720).

Almost surely, 2^2140440201 is an apocalyptic number.

It is an amenable number.

2140440201 is a deficient number, since it is larger than the sum of its proper divisors (1038131319).

2140440201 is a wasteful number, since it uses less digits than its factorization.

2140440201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188733 (or 188727 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2140440201 is about 46264.8916674404. The cubic root of 2140440201 is about 1288.7470961208.

Adding to 2140440201 its reverse (1020440412), we get a palindrome (3160880613).

The spelling of 2140440201 in words is "two billion, one hundred forty million, four hundred forty thousand, two hundred one".