172480809800 has 48 divisors (see below), whose sum is σ = 431865418740. Its totient is φ = 63685221120.

The previous prime is 172480809773. The next prime is 172480809829. The reversal of 172480809800 is 8908084271.

It can be written as a sum of positive squares in 6 ways, for example, as 14396640196 + 158084169604 = 119986^2 + 397598^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33166787 + ... + 33171986.

Almost surely, 2^172480809800 is an apocalyptic number.

172480809800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172480809800 is an abundant number, since it is smaller than the sum of its proper divisors (259384608940).

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

172480809800 is a wasteful number, since it uses less digits than its factorization.

172480809800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66338802 (or 66338793 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The spelling of 172480809800 in words is "one hundred seventy-two billion, four hundred eighty million, eight hundred nine thousand, eight hundred".