440345383 has 4 divisors (see below), whose sum is σ = 441128088. Its totient is φ = 439562680.

The previous prime is 440345363. The next prime is 440345401. The reversal of 440345383 is 383543044.

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

It is a cyclic number.

It is not a de Polignac number, because 440345383 - 2⁹ = 440344871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440345333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390508 + ... + 391633.

It is an arithmetic number, because the mean of its divisors is an integer number (110282022).

Almost surely, 2^440345383 is an apocalyptic number.

440345383 is a deficient number, since it is larger than the sum of its proper divisors (782705).

440345383 is an equidigital number, since it uses as much as digits as its factorization.

440345383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782704.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 440345383 is about 20984.4080926768. The cubic root of 440345383 is about 760.7894514862.

The spelling of 440345383 in words is "four hundred forty million, three hundred forty-five thousand, three hundred eighty-three".