440734313 has 4 divisors (see below), whose sum is σ = 441509460. Its totient is φ = 439959168.

The previous prime is 440734291. The next prime is 440734321. The reversal of 440734313 is 313437044.

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 289272064 + 151462249 = 17008^2 + 12307^2 .

It is a cyclic number.

It is not a de Polignac number, because 440734313 - 2¹² = 440730217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440734363) 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, 386720 + ... + 387857.

It is an arithmetic number, because the mean of its divisors is an integer number (110377365).

Almost surely, 2^440734313 is an apocalyptic number.

It is an amenable number.

440734313 is a deficient number, since it is larger than the sum of its proper divisors (775147).

440734313 is an equidigital number, since it uses as much as digits as its factorization.

440734313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775146.

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

The square root of 440734313 is about 20993.6731659803. The cubic root of 440734313 is about 761.0133717547.

The spelling of 440734313 in words is "four hundred forty million, seven hundred thirty-four thousand, three hundred thirteen".