440052317 has 4 divisors (see below), whose sum is σ = 442855356. Its totient is φ = 437249280.

The previous prime is 440052313. The next prime is 440052323. The reversal of 440052317 is 713250044.

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 136282276 + 303770041 = 11674^2 + 17429^2 .

It is a cyclic number.

It is not a de Polignac number, because 440052317 - 2² = 440052313 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 (440052311) 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, 1401284 + ... + 1401597.

It is an arithmetic number, because the mean of its divisors is an integer number (110713839).

Almost surely, 2^440052317 is an apocalyptic number.

It is an amenable number.

440052317 is a deficient number, since it is larger than the sum of its proper divisors (2803039).

440052317 is a wasteful number, since it uses less digits than its factorization.

440052317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803038.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 440052317 is about 20977.4239838928. The cubic root of 440052317 is about 760.6206362703.

The spelling of 440052317 in words is "four hundred forty million, fifty-two thousand, three hundred seventeen".