172044422352 has 240 divisors, whose sum is σ = 544394710080. Its totient is φ = 50241945600.

The previous prime is 172044422327. The next prime is 172044422353. The reversal of 172044422352 is 253224440271.

172044422352 is a `hidden beast` number, since 1 + 7 + 204 + 442 + 2 + 3 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172044422353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26501827 + ... + 26508317.

It is an arithmetic number, because the mean of its divisors is an integer number (2268311292).

Almost surely, 2^172044422352 is an apocalyptic number.

172044422352 is a gapful number since it is divisible by the number (12) 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 172044422352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272197355040).

172044422352 is an abundant number, since it is smaller than the sum of its proper divisors (372350287728).

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

172044422352 is a wasteful number, since it uses less digits than its factorization.

172044422352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122 (or 7113 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The spelling of 172044422352 in words is "one hundred seventy-two billion, forty-four million, four hundred twenty-two thousand, three hundred fifty-two".