320141444 has 12 divisors (see below), whose sum is σ = 640282944. Its totient is φ = 137203464.

The previous prime is 320141443. The next prime is 320141447. The reversal of 320141444 is 444141023.

It is a happy number.

320141444 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (320141443) 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, 5716784 + ... + 5716839.

It is an arithmetic number, because the mean of its divisors is an integer number (53356912).

Almost surely, 2^320141444 is an apocalyptic number.

It is an amenable number.

320141444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

320141444 is a wasteful number, since it uses less digits than its factorization.

320141444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11433634 (or 11433632 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 320141444 is about 17892.4968632106. The cubic root of 320141444 is about 684.0911412584.

Adding to 320141444 its reverse (444141023), we get a palindrome (764282467).

The spelling of 320141444 in words is "three hundred twenty million, one hundred forty-one thousand, four hundred forty-four".