443040345 has 48 divisors (see below), whose sum is σ = 839547072. Its totient is φ = 214346880.

The previous prime is 443040317. The next prime is 443040391. The reversal of 443040345 is 543040344.

It is not a de Polignac number, because 443040345 - 2⁸ = 443040089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 393954 + ... + 395076.

It is an arithmetic number, because the mean of its divisors is an integer number (17490564).

Almost surely, 2^443040345 is an apocalyptic number.

443040345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

443040345 is a deficient number, since it is larger than the sum of its proper divisors (396506727).

443040345 is a wasteful number, since it uses less digits than its factorization.

443040345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 443040345 is about 21048.5235824273. The cubic root of 443040345 is about 762.3383342649.

Adding to 443040345 its reverse (543040344), we get a palindrome (986080689).

Subtracting 443040345 from its reverse (543040344), we obtain a palindrome (99999999).

The spelling of 443040345 in words is "four hundred forty-three million, forty thousand, three hundred forty-five".