2140344435 has 16 divisors (see below), whose sum is σ = 3426209280. Its totient is φ = 1140964320.

The previous prime is 2140344431. The next prime is 2140344533. The reversal of 2140344435 is 5344430412.

It is not a de Polignac number, because 2140344435 - 2² = 2140344431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140344431) 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, 1515 + ... + 65444.

It is an arithmetic number, because the mean of its divisors is an integer number (214138080).

Almost surely, 2^2140344435 is an apocalyptic number.

2140344435 is a deficient number, since it is larger than the sum of its proper divisors (1285864845).

2140344435 is a wasteful number, since it uses less digits than its factorization.

2140344435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69098.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2140344435 is about 46263.8566809988. The cubic root of 2140344435 is about 1288.7278757762.

Adding to 2140344435 its reverse (5344430412), we get a palindrome (7484774847).

The spelling of 2140344435 in words is "two billion, one hundred forty million, three hundred forty-four thousand, four hundred thirty-five".