443146340 has 48 divisors (see below), whose sum is σ = 1145367552. Its totient is φ = 140247936.

The previous prime is 443146309. The next prime is 443146349. The reversal of 443146340 is 43641344.

It is not an unprimeable number, because it can be changed into a prime (443146349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119924 + ... + 123563.

It is an arithmetic number, because the mean of its divisors is an integer number (23861824).

Almost surely, 2^443146340 is an apocalyptic number.

It is an amenable number.

443146340 is an abundant number, since it is smaller than the sum of its proper divisors (702221212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

443146340 is a wasteful number, since it uses less digits than its factorization.

443146340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243516 (or 243514 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 443146340 is about 21051.0413044106. The cubic root of 443146340 is about 762.3991245214.

Adding to 443146340 its reverse (43641344), we get a palindrome (486787684).

The spelling of 443146340 in words is "four hundred forty-three million, one hundred forty-six thousand, three hundred forty".