2340402212 has 12 divisors (see below), whose sum is σ = 4131949836. Its totient is φ = 1159845120.

The previous prime is 2340402209. The next prime is 2340402217. The reversal of 2340402212 is 2122040432.

It can be written as a sum of positive squares in 2 ways, for example, as 46566976 + 2293835236 = 6824^2 + 47894^2 .

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 3 ways as a sum of consecutive naturals, for example, 2588489 + ... + 2589392.

It is an arithmetic number, because the mean of its divisors is an integer number (344329153).

Almost surely, 2^2340402212 is an apocalyptic number.

It is an amenable number.

2340402212 is a deficient number, since it is larger than the sum of its proper divisors (1791547624).

2340402212 is a wasteful number, since it uses less digits than its factorization.

2340402212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177998 (or 5177996 counting only the distinct ones).

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

The square root of 2340402212 is about 48377.7036660485. The cubic root of 2340402212 is about 1327.6904557787.

Adding to 2340402212 its reverse (2122040432), we get a palindrome (4462442644).

The spelling of 2340402212 in words is "two billion, three hundred forty million, four hundred two thousand, two hundred twelve".