565280468172 has 480 divisors, whose sum is σ = 1880037519360. Its totient is φ = 144446976000.

The previous prime is 565280468149. The next prime is 565280468177. The reversal of 565280468172 is 271864082565.

565280468172 is a `hidden beast` number, since 5 + 6 + 5 + 2 + 8 + 0 + 468 + 172 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (565280468177) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 54764772 + ... + 54775092.

It is an arithmetic number, because the mean of its divisors is an integer number (3916744832).

Almost surely, 2^565280468172 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 565280468172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940018759680).

565280468172 is an abundant number, since it is smaller than the sum of its proper divisors (1314757051188).

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

565280468172 is a wasteful number, since it uses less digits than its factorization.

565280468172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10435 (or 10424 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 565280468172 in words is "five hundred sixty-five billion, two hundred eighty million, four hundred sixty-eight thousand, one hundred seventy-two".