2340420442 has 16 divisors (see below), whose sum is σ = 3564626472. Its totient is φ = 1152264960.

The previous prime is 2340420421. The next prime is 2340420449. The reversal of 2340420442 is 2440240432.

It can be written as a sum of positive squares in 4 ways, for example, as 1487722041 + 852698401 = 38571^2 + 29201^2 .

It is not an unprimeable number, because it can be changed into a prime (2340420449) 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, 77092 + ... + 103072.

Almost surely, 2^2340420442 is an apocalyptic number.

2340420442 is a deficient number, since it is larger than the sum of its proper divisors (1224206030).

2340420442 is a wasteful number, since it uses less digits than its factorization.

2340420442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26673.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 2340420442 is about 48377.8920789238. The cubic root of 2340420442 is about 1327.6939030116.

Adding to 2340420442 its reverse (2440240432), we get a palindrome (4780660874).

The spelling of 2340420442 in words is "two billion, three hundred forty million, four hundred twenty thousand, four hundred forty-two".