2340439919 has 8 divisors (see below), whose sum is σ = 2347684560. Its totient is φ = 2333207296.

The previous prime is 2340439903. The next prime is 2340439939. The reversal of 2340439919 is 9199340432.

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

It is a cyclic number.

It is not a de Polignac number, because 2340439919 - 2⁴ = 2340439903 is a prime.

It is a super-2 number, since 2×2340439919² = 10955318028897453122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2340439919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340439939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515192 + ... + 519714.

It is an arithmetic number, because the mean of its divisors is an integer number (293460570).

Almost surely, 2^2340439919 is an apocalyptic number.

2340439919 is a deficient number, since it is larger than the sum of its proper divisors (7244641).

2340439919 is an equidigital number, since it uses as much as digits as its factorization.

2340439919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 2340439919 is about 48378.0933791318. The cubic root of 2340439919 is about 1327.6975860282.

The spelling of 2340439919 in words is "two billion, three hundred forty million, four hundred thirty-nine thousand, nine hundred nineteen".