440254345 has 4 divisors (see below), whose sum is σ = 528305220. Its totient is φ = 352203472.

The previous prime is 440254337. The next prime is 440254349. The reversal of 440254345 is 543452044.

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 163098441 + 277155904 = 12771^2 + 16648^2 .

It is a cyclic number.

It is not a de Polignac number, because 440254345 - 2³ = 440254337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440254349) 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, 44025430 + ... + 44025439.

It is an arithmetic number, because the mean of its divisors is an integer number (132076305).

Almost surely, 2^440254345 is an apocalyptic number.

It is an amenable number.

440254345 is a deficient number, since it is larger than the sum of its proper divisors (88050875).

440254345 is an equidigital number, since it uses as much as digits as its factorization.

440254345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88050874.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 440254345 is about 20982.2387985648. The cubic root of 440254345 is about 760.7370187623.

The spelling of 440254345 in words is "four hundred forty million, two hundred fifty-four thousand, three hundred forty-five".