172313819707540 has 144 divisors (see below), whose sum is σ = 469156955359680. Its totient is φ = 52677271987200.

The previous prime is 172313819707501. The next prime is 172313819707543. The reversal of 172313819707540 is 45707918313271.

It is a super-2 number, since 2×172313819707540² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172313819707543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271866786 + ... + 272499865.

It is an arithmetic number, because the mean of its divisors is an integer number (3258034412220).

Almost surely, 2^{172313819707540} is an apocalyptic number.

172313819707540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172313819707540 is an abundant number, since it is smaller than the sum of its proper divisors (296843135652140).

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

172313819707540 is a wasteful number, since it uses less digits than its factorization.

172313819707540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544366710 (or 544366701 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 58.

The spelling of 172313819707540 in words is "one hundred seventy-two trillion, three hundred thirteen billion, eight hundred nineteen million, seven hundred seven thousand, five hundred forty".