440253347 has 2 divisors, whose sum is σ = 440253348. Its totient is φ = 440253346.

The previous prime is 440253323. The next prime is 440253349. The reversal of 440253347 is 743352044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440253347 - 2²⁰ = 439204771 is a prime.

Together with 440253349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (440253349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220126673 + 220126674.

It is an arithmetic number, because the mean of its divisors is an integer number (220126674).

Almost surely, 2^440253347 is an apocalyptic number.

440253347 is a deficient number, since it is larger than the sum of its proper divisors (1).

440253347 is an equidigital number, since it uses as much as digits as its factorization.

440253347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 440253347 is about 20982.2150165325. The cubic root of 440253347 is about 760.7364439308.

The spelling of 440253347 in words is "four hundred forty million, two hundred fifty-three thousand, three hundred forty-seven".