320325706640740 has 24 divisors (see below), whose sum is σ = 673022526547392. Its totient is φ = 128065798351200.

The previous prime is 320325706640699. The next prime is 320325706640761. The reversal of 320325706640740 is 47046607523023.

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, 4030228336 + ... + 4030307815.

It is an arithmetic number, because the mean of its divisors is an integer number (28042605272808).

Almost surely, 2^{320325706640740} is an apocalyptic number.

It is an amenable number.

320325706640740 is an abundant number, since it is smaller than the sum of its proper divisors (352696819906652).

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

320325706640740 is a wasteful number, since it uses less digits than its factorization.

320325706640740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060538147 (or 8060538145 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 49.

The spelling of 320325706640740 in words is "three hundred twenty trillion, three hundred twenty-five billion, seven hundred six million, six hundred forty thousand, seven hundred forty".