282171315204 has 99 divisors (see below), whose sum is σ = 741373813173. Its totient is φ = 93971050992.

The previous prime is 282171315149. The next prime is 282171315211. The reversal of 282171315204 is 402513171282.

The square root of 282171315204 is 531198.

It is a perfect power (a square), and thus also a powerful number.

282171315204 is a `hidden beast` number, since 282 + 171 + 3 + 1 + 5 + 204 = 666.

It can be written as a sum of positive squares in only one way, i.e., 278055836100 + 4115479104 = 527310^2 + 64152^2 .

It is a super-2 number, since 2×282171315204² (a number of 24 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 258161682 + ... + 258162774.

Almost surely, 2^282171315204 is an apocalyptic number.

282171315204 is the 531198-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 282171315204

282171315204 is an abundant number, since it is smaller than the sum of its proper divisors (459202497969).

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

282171315204 is an frugal number, since it uses more digits than its factorization.

282171315204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

Multiplying 282171315204 by its sum of digits (36), we get a square (10158167347344 = 3187188²).

282171315204 divided by its sum of digits (36) gives a square (7838092089 = 88533²).

Adding to 282171315204 its reverse (402513171282), we get a palindrome (684684486486).

It can be divided in two parts, 2821 and 71315204, that added together give a square (71318025 = 8445²).

The spelling of 282171315204 in words is "two hundred eighty-two billion, one hundred seventy-one million, three hundred fifteen thousand, two hundred four".