4173256367172 has 96 divisors (see below), whose sum is σ = 10987051420800. Its totient is φ = 1369702224000.

The previous prime is 4173256367129. The next prime is 4173256367233. The reversal of 4173256367172 is 2717636523714.

4173256367172 is a `hidden beast` number, since 4 + 1 + 7 + 3 + 2 + 563 + 6 + 7 + 1 + 72 = 666.

It is a super-2 number, since 2×4173256367172² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 917479 + ... + 3031217.

It is an arithmetic number, because the mean of its divisors is an integer number (114448452300).

Almost surely, 2^{4173256367172} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4173256367172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5493525710400).

4173256367172 is an abundant number, since it is smaller than the sum of its proper divisors (6813795053628).

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

4173256367172 is a wasteful number, since it uses less digits than its factorization.

4173256367172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114034 (or 2114026 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 54.

The spelling of 4173256367172 in words is "four trillion, one hundred seventy-three billion, two hundred fifty-six million, three hundred sixty-seven thousand, one hundred seventy-two".