2340144434 has 4 divisors (see below), whose sum is σ = 3510216654. Its totient is φ = 1170072216.

The previous prime is 2340144431. The next prime is 2340144437. The reversal of 2340144434 is 4344410432.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2340144431) and next prime (2340144437).

It can be written as a sum of positive squares in only one way, i.e., 2266236025 + 73908409 = 47605^2 + 8597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2340144397 and 2340144406.

It is not an unprimeable number, because it can be changed into a prime (2340144431) 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 as a sum of consecutive naturals, namely, 585036107 + ... + 585036110.

Almost surely, 2^2340144434 is an apocalyptic number.

2340144434 is a deficient number, since it is larger than the sum of its proper divisors (1170072220).

2340144434 is a wasteful number, since it uses less digits than its factorization.

2340144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170072219.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 2340144434 is about 48375.0393694930. The cubic root of 2340144434 is about 1327.6417088932.

Adding to 2340144434 its reverse (4344410432), we get a palindrome (6684554866).

The spelling of 2340144434 in words is "two billion, three hundred forty million, one hundred forty-four thousand, four hundred thirty-four".