2340012845 has 4 divisors (see below), whose sum is σ = 2808015420. Its totient is φ = 1872010272.

The previous prime is 2340012799. The next prime is 2340012859. The reversal of 2340012845 is 5482100432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1513910281 + 826102564 = 38909^2 + 28742^2 .

It is a cyclic number.

It is not a de Polignac number, because 2340012845 - 2⁸ = 2340012589 is a prime.

It is a super-2 number, since 2×2340012845² = 10951320229529988050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 234001280 + ... + 234001289.

It is an arithmetic number, because the mean of its divisors is an integer number (702003855).

Almost surely, 2^2340012845 is an apocalyptic number.

It is an amenable number.

2340012845 is a deficient number, since it is larger than the sum of its proper divisors (468002575).

2340012845 is an equidigital number, since it uses as much as digits as its factorization.

2340012845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468002574.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 2340012845 is about 48373.6792584562. The cubic root of 2340012845 is about 1327.6168234891.

The spelling of 2340012845 in words is "two billion, three hundred forty million, twelve thousand, eight hundred forty-five".