320342041140 has 96 divisors (see below), whose sum is σ = 981081884160. Its totient is φ = 77453712000.

The previous prime is 320342041079. The next prime is 320342041157. The reversal of 320342041140 is 41140243023.

It is a self number, because there is not a number n which added to its sum of digits gives 320342041140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390186 + ... + 890465.

It is an arithmetic number, because the mean of its divisors is an integer number (10219602960).

Almost surely, 2^320342041140 is an apocalyptic number.

320342041140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320342041140 is an abundant number, since it is smaller than the sum of its proper divisors (660739843020).

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

320342041140 is a wasteful number, since it uses less digits than its factorization.

320342041140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281053 (or 1281051 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 320342041140 its reverse (41140243023), we get a palindrome (361482284163).

The spelling of 320342041140 in words is "three hundred twenty billion, three hundred forty-two million, forty-one thousand, one hundred forty".