320300053240 has 32 divisors (see below), whose sum is σ = 721181695680. Its totient is φ = 128029963392.

The previous prime is 320300053189. The next prime is 320300053309. The reversal of 320300053240 is 42350003023.

It is a congruent number.

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, 2756679 + ... + 2870518.

It is an arithmetic number, because the mean of its divisors is an integer number (22536927990).

Almost surely, 2^320300053240 is an apocalyptic number.

It is an amenable number.

320300053240 is an abundant number, since it is smaller than the sum of its proper divisors (400881642440).

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

320300053240 is a wasteful number, since it uses less digits than its factorization.

320300053240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628631 (or 5628627 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 320300053240 its reverse (42350003023), we get a palindrome (362650056263).

The spelling of 320300053240 in words is "three hundred twenty billion, three hundred million, fifty-three thousand, two hundred forty".