320223240400 has 120 divisors (see below), whose sum is σ = 930961753920. Its totient is φ = 103332526080.

The previous prime is 320223240373. The next prime is 320223240439. The reversal of 320223240400 is 4042322023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3316090 + ... + 3411289.

It is an arithmetic number, because the mean of its divisors is an integer number (7758014616).

Almost surely, 2^320223240400 is an apocalyptic number.

It is an amenable number.

320223240400 is an abundant number, since it is smaller than the sum of its proper divisors (610738513520).

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

320223240400 is a wasteful number, since it uses less digits than its factorization.

320223240400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727421 (or 6727410 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 320223240400 its reverse (4042322023), we get a palindrome (324265562423).

The spelling of 320223240400 in words is "three hundred twenty billion, two hundred twenty-three million, two hundred forty thousand, four hundred".