172274119157448 has 3456 divisors, whose sum is σ = 672914964234240. Its totient is φ = 39485059891200.

The previous prime is 172274119157417. The next prime is 172274119157467. The reversal of 172274119157448 is 844751911472271.

172274119157448 is a `hidden beast` number, since 1 + 7 + 2 + 2 + 7 + 4 + 1 + 19 + 1 + 574 + 48 = 666.

172274119157448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 863 ways as a sum of consecutive naturals, for example, 1356489127161 + ... + 1356489127287.

It is an arithmetic number, because the mean of its divisors is an integer number (194709191040).

Almost surely, 2^{172274119157448} is an apocalyptic number.

172274119157448 is a gapful number since it is divisible by the number (18) 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 172274119157448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336457482117120).

172274119157448 is an abundant number, since it is smaller than the sum of its proper divisors (500640845076792).

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

172274119157448 is a wasteful number, since it uses less digits than its factorization.

172274119157448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 352 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 63.

The spelling of 172274119157448 in words is "one hundred seventy-two trillion, two hundred seventy-four billion, one hundred nineteen million, one hundred fifty-seven thousand, four hundred forty-eight".