4040323345 has 4 divisors (see below), whose sum is σ = 4848388020. Its totient is φ = 3232258672.

The previous prime is 4040323321. The next prime is 4040323361. The reversal of 4040323345 is 5433230404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1489265281 + 2551058064 = 38591^2 + 50508^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040323345 - 2¹¹ = 4040321297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404032330 + ... + 404032339.

It is an arithmetic number, because the mean of its divisors is an integer number (1212097005).

Almost surely, 2^4040323345 is an apocalyptic number.

It is an amenable number.

4040323345 is a deficient number, since it is larger than the sum of its proper divisors (808064675).

4040323345 is an equidigital number, since it uses as much as digits as its factorization.

4040323345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808064674.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 4040323345 is about 63563.5378578002. The cubic root of 4040323345 is about 1592.7173376079.

Adding to 4040323345 its reverse (5433230404), we get a palindrome (9473553749).

The spelling of 4040323345 in words is "four billion, forty million, three hundred twenty-three thousand, three hundred forty-five".