172324042620 has 24 divisors (see below), whose sum is σ = 482507319504. Its totient is φ = 45953078016.

The previous prime is 172324042559. The next prime is 172324042717. The reversal of 172324042620 is 26240423271.

172324042620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436033629 + ... + 1436033748.

It is an arithmetic number, because the mean of its divisors is an integer number (20104471646).

Almost surely, 2^172324042620 is an apocalyptic number.

172324042620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172324042620 is an abundant number, since it is smaller than the sum of its proper divisors (310183276884).

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

172324042620 is a wasteful number, since it uses less digits than its factorization.

172324042620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872067389 (or 2872067387 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

Adding to 172324042620 its reverse (26240423271), we get a palindrome (198564465891).

The spelling of 172324042620 in words is "one hundred seventy-two billion, three hundred twenty-four million, forty-two thousand, six hundred twenty".