320214451632 has 80 divisors (see below), whose sum is σ = 828555361920. Its totient is φ = 106566114816.

The previous prime is 320214451577. The next prime is 320214451663. The reversal of 320214451632 is 236154412023.

It is a junction number, because it is equal to n+sod(n) for n = 320214451593 and 320214451602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136901119 + ... + 136903457.

It is an arithmetic number, because the mean of its divisors is an integer number (10356942024).

Almost surely, 2^320214451632 is an apocalyptic number.

It is an amenable number.

320214451632 is an abundant number, since it is smaller than the sum of its proper divisors (508340910288).

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

320214451632 is a wasteful number, since it uses less digits than its factorization.

320214451632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5730 (or 5724 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 320214451632 its reverse (236154412023), we get a palindrome (556368863655).

The spelling of 320214451632 in words is "three hundred twenty billion, two hundred fourteen million, four hundred fifty-one thousand, six hundred thirty-two".