2340402210 has 24 divisors (see below), whose sum is σ = 6085045980. Its totient is φ = 624107232.

The previous prime is 2340402209. The next prime is 2340402217. The reversal of 2340402210 is 122040432.

It can be written as a sum of positive squares in 2 ways, for example, as 2027430729 + 312971481 = 45027^2 + 17691^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2340402217) 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 11 ways as a sum of consecutive naturals, for example, 13002145 + ... + 13002324.

Almost surely, 2^2340402210 is an apocalyptic number.

2340402210 is an abundant number, since it is smaller than the sum of its proper divisors (3744643770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2340402210 is a wasteful number, since it uses less digits than its factorization.

2340402210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26004482 (or 26004479 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2340402210 is about 48377.7036453778. The cubic root of 2340402210 is about 1327.6904554005.

Adding to 2340402210 its reverse (122040432), we get a palindrome (2462442642).

It can be divided in two parts, 2340 and 402210, that added together give a triangular number (404550 = T₈₉₉).

The spelling of 2340402210 in words is "two billion, three hundred forty million, four hundred two thousand, two hundred ten".