172772041453500 has 192 divisors, whose sum is σ = 510237958164480. Its totient is φ = 45421734758400.

The previous prime is 172772041453499. The next prime is 172772041453537. The reversal of 172772041453500 is 5354140277271.

It is a self number, because there is not a number n which added to its sum of digits gives 172772041453500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78667297 + ... + 80833703.

It is an arithmetic number, because the mean of its divisors is an integer number (2657489365440).

Almost surely, 2^{172772041453500} is an apocalyptic number.

172772041453500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172772041453500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255118979082240).

172772041453500 is an abundant number, since it is smaller than the sum of its proper divisors (337465916710980).

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

172772041453500 is a wasteful number, since it uses less digits than its factorization.

172772041453500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167181 (or 2167169 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 48.

The spelling of 172772041453500 in words is "one hundred seventy-two trillion, seven hundred seventy-two billion, forty-one million, four hundred fifty-three thousand, five hundred".