172830240528 has 80 divisors (see below), whose sum is σ = 487130893056. Its totient is φ = 52365934720.

The previous prime is 172830240521. The next prime is 172830240577. The reversal of 172830240528 is 825042038271.

It is a self number, because there is not a number n which added to its sum of digits gives 172830240528.

It is not an unprimeable number, because it can be changed into a prime (172830240521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5222851 + ... + 5255837.

Almost surely, 2^172830240528 is an apocalyptic number.

It is an amenable number.

172830240528 is an abundant number, since it is smaller than the sum of its proper divisors (314300652528).

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

172830240528 is a wasteful number, since it uses less digits than its factorization.

172830240528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42932 (or 42926 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

Adding to 172830240528 its reverse (825042038271), we get a palindrome (997872278799).

The spelling of 172830240528 in words is "one hundred seventy-two billion, eight hundred thirty million, two hundred forty thousand, five hundred twenty-eight".