320444232344 has 64 divisors (see below), whose sum is σ = 642538068480. Its totient is φ = 149450400000.

The previous prime is 320444232343. The next prime is 320444232391. The reversal of 320444232344 is 443232444023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320444232343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19236419 + ... + 19253069.

It is an arithmetic number, because the mean of its divisors is an integer number (10039657320).

Almost surely, 2^320444232344 is an apocalyptic number.

It is an amenable number.

320444232344 is an abundant number, since it is smaller than the sum of its proper divisors (322093836136).

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

320444232344 is a wasteful number, since it uses less digits than its factorization.

320444232344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19272 (or 19268 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 320444232344 its reverse (443232444023), we get a palindrome (763676676367).

The spelling of 320444232344 in words is "three hundred twenty billion, four hundred forty-four million, two hundred thirty-two thousand, three hundred forty-four".