328707234940 has 24 divisors (see below), whose sum is σ = 788897364192. Its totient is φ = 112699623360.

The previous prime is 328707234929. The next prime is 328707234941. The reversal of 328707234940 is 49432707823.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328707234941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173954271 + ... + 1173954550.

It is an arithmetic number, because the mean of its divisors is an integer number (32870723508).

Almost surely, 2^328707234940 is an apocalyptic number.

It is an amenable number.

328707234940 is an abundant number, since it is smaller than the sum of its proper divisors (460190129252).

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

328707234940 is a wasteful number, since it uses less digits than its factorization.

328707234940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347908837 (or 2347908835 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 328707234940 in words is "three hundred twenty-eight billion, seven hundred seven million, two hundred thirty-four thousand, nine hundred forty".