2440307306 has 4 divisors (see below), whose sum is σ = 3660460962. Its totient is φ = 1220153652.

The previous prime is 2440307297. The next prime is 2440307329. The reversal of 2440307306 is 6037030442.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1613227225 + 827080081 = 40165^2 + 28759^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610076825 + ... + 610076828.

Almost surely, 2^2440307306 is an apocalyptic number.

2440307306 is a deficient number, since it is larger than the sum of its proper divisors (1220153656).

2440307306 is a wasteful number, since it uses less digits than its factorization.

2440307306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220153655.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 2440307306 is about 49399.4666570399. The cubic root of 2440307306 is about 1346.3196154860.

Adding to 2440307306 its reverse (6037030442), we get a palindrome (8477337748).

The spelling of 2440307306 in words is "two billion, four hundred forty million, three hundred seven thousand, three hundred six".