320140042041232 has 80 divisors (see below), whose sum is σ = 762885032268672. Its totient is φ = 127015197788160.

The previous prime is 320140042041229. The next prime is 320140042041329. The reversal of 320140042041232 is 232140240041023.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 320140042041232.

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, 1378086958 + ... + 1378319245.

Almost surely, 2^{320140042041232} is an apocalyptic number.

It is an amenable number.

320140042041232 is an abundant number, since it is smaller than the sum of its proper divisors (442744990227440).

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

320140042041232 is a wasteful number, since it uses less digits than its factorization.

320140042041232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756406296 (or 2756406290 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 320140042041232 its reverse (232140240041023), we get a palindrome (552280282082255).

The spelling of 320140042041232 in words is "three hundred twenty trillion, one hundred forty billion, forty-two million, forty-one thousand, two hundred thirty-two".