65730384703840 has 48 divisors (see below), whose sum is σ = 155296701917280. Its totient is φ = 26290686274560.

The previous prime is 65730384703831. The next prime is 65730384703897. The reversal of 65730384703840 is 4830748303756.

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, 8588076 + ... + 14325355.

It is an arithmetic number, because the mean of its divisors is an integer number (3235347956610).

Almost surely, 2^{65730384703840} is an apocalyptic number.

It is an amenable number.

65730384703840 is an abundant number, since it is smaller than the sum of its proper divisors (89566317213440).

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

65730384703840 is a wasteful number, since it uses less digits than its factorization.

65730384703840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22931375 (or 22931367 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 58.

The spelling of 65730384703840 in words is "sixty-five trillion, seven hundred thirty billion, three hundred eighty-four million, seven hundred three thousand, eight hundred forty".