2340140463 has 20 divisors (see below), whose sum is σ = 3499412928. Its totient is φ = 1558465920.

The previous prime is 2340140441. The next prime is 2340140479. The reversal of 2340140463 is 3640410432.

2340140463 is a `hidden beast` number, since 23 + 40 + 140 + 463 = 666.

It is not a de Polignac number, because 2340140463 - 2⁶ = 2340140399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340140063) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65695 + ... + 94847.

Almost surely, 2^2340140463 is an apocalyptic number.

2340140463 is a deficient number, since it is larger than the sum of its proper divisors (1159272465).

2340140463 is an equidigital number, since it uses as much as digits as its factorization.

2340140463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30156 (or 30147 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 2340140463 is about 48374.9983255814. The cubic root of 2340140463 is about 1327.6409579326.

Adding to 2340140463 its reverse (3640410432), we get a palindrome (5980550895).

The spelling of 2340140463 in words is "two billion, three hundred forty million, one hundred forty thousand, four hundred sixty-three".