2140404407 has 2 divisors, whose sum is σ = 2140404408. Its totient is φ = 2140404406.

The previous prime is 2140404337. The next prime is 2140404437. The reversal of 2140404407 is 7044040412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2140404407 - 2⁸ = 2140404151 is a prime.

It is a super-3 number, since 3×2140404407³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140404437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070202203 + 1070202204.

It is an arithmetic number, because the mean of its divisors is an integer number (1070202204).

Almost surely, 2^2140404407 is an apocalyptic number.

2140404407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140404407 is an equidigital number, since it uses as much as digits as its factorization.

2140404407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 2140404407 is about 46264.5048282158. The cubic root of 2140404407 is about 1288.7399122916.

Adding to 2140404407 its reverse (7044040412), we get a palindrome (9184444819).

The spelling of 2140404407 in words is "two billion, one hundred forty million, four hundred four thousand, four hundred seven".