320542244880 has 320 divisors, whose sum is σ = 1174412832768. Its totient is φ = 71298938880.

The previous prime is 320542244833. The next prime is 320542244903. The reversal of 320542244880 is 88442245023.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 5703477 + ... + 5759403.

Almost surely, 2^320542244880 is an apocalyptic number.

320542244880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320542244880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587206416384).

320542244880 is an abundant number, since it is smaller than the sum of its proper divisors (853870587888).

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

320542244880 is a wasteful number, since it uses less digits than its factorization.

320542244880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56134 (or 56128 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 42.

The spelling of 320542244880 in words is "three hundred twenty billion, five hundred forty-two million, two hundred forty-four thousand, eight hundred eighty".