2340140402 has 8 divisors (see below), whose sum is σ = 3542414700. Its totient is φ = 1159335504.

The previous prime is 2340140399. The next prime is 2340140419. The reversal of 2340140402 is 2040410432.

It can be written as a sum of positive squares in 2 ways, for example, as 2165133961 + 175006441 = 46531^2 + 13229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5367077 + ... + 5367512.

Almost surely, 2^2340140402 is an apocalyptic number.

2340140402 is a deficient number, since it is larger than the sum of its proper divisors (1202274298).

2340140402 is a wasteful number, since it uses less digits than its factorization.

2340140402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10734700.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2340140402 is about 48374.9976950904. The cubic root of 2340140402 is about 1327.6409463969.

Adding to 2340140402 its reverse (2040410432), we get a palindrome (4380550834).

The spelling of 2340140402 in words is "two billion, three hundred forty million, one hundred forty thousand, four hundred two".