320040132230 has 64 divisors (see below), whose sum is σ = 723481718400. Its totient is φ = 101287412352.

The previous prime is 320040132229. The next prime is 320040132263. The reversal of 320040132230 is 32231040023.

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, 3544109 + ... + 3633288.

It is an arithmetic number, because the mean of its divisors is an integer number (11304401850).

Almost surely, 2^320040132230 is an apocalyptic number.

320040132230 is an abundant number, since it is smaller than the sum of its proper divisors (403441586170).

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

320040132230 is a wasteful number, since it uses less digits than its factorization.

320040132230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7177438 (or 7177424 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 320040132230 its reverse (32231040023), we get a palindrome (352271172253).

The spelling of 320040132230 in words is "three hundred twenty billion, forty million, one hundred thirty-two thousand, two hundred thirty".