320042052232 has 32 divisors (see below), whose sum is σ = 701753342400. Its totient is φ = 133971090624.

The previous prime is 320042052227. The next prime is 320042052259. The reversal of 320042052232 is 232250240023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 320042052197 and 320042052206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66451507 + ... + 66456322.

It is an arithmetic number, because the mean of its divisors is an integer number (21929791950).

Almost surely, 2^320042052232 is an apocalyptic number.

It is an amenable number.

320042052232 is an abundant number, since it is smaller than the sum of its proper divisors (381711290168).

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

320042052232 is a wasteful number, since it uses less digits than its factorization.

320042052232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132907885 (or 132907881 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 320042052232 its reverse (232250240023), we get a palindrome (552292292255).

The spelling of 320042052232 in words is "three hundred twenty billion, forty-two million, fifty-two thousand, two hundred thirty-two".