4172709362220 has 288 divisors, whose sum is σ = 14863834073088. Its totient is φ = 927740376576.

The previous prime is 4172709362201. The next prime is 4172709362221. The reversal of 4172709362220 is 222639072714.

4172709362220 is a `hidden beast` number, since 4 + 17 + 2 + 7 + 0 + 9 + 3 + 622 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4172709362221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9436722 + ... + 9868998.

It is an arithmetic number, because the mean of its divisors is an integer number (51610534976).

Almost surely, 2^{4172709362220} 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 4172709362220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7431917036544).

4172709362220 is an abundant number, since it is smaller than the sum of its proper divisors (10691124710868).

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

4172709362220 is a wasteful number, since it uses less digits than its factorization.

4172709362220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432509 (or 432504 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 4172709362220 in words is "four trillion, one hundred seventy-two billion, seven hundred nine million, three hundred sixty-two thousand, two hundred twenty".