505000525280 has 24 divisors (see below), whose sum is σ = 1193063741352. Its totient is φ = 202000210048.

The previous prime is 505000525273. The next prime is 505000525319. The reversal of 505000525280 is 82525000505.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578126482 + ... + 1578126801.

It is an arithmetic number, because the mean of its divisors is an integer number (49710989223).

Almost surely, 2^505000525280 is an apocalyptic number.

It is an amenable number.

505000525280 is an abundant number, since it is smaller than the sum of its proper divisors (688063216072).

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

505000525280 is a wasteful number, since it uses less digits than its factorization.

505000525280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156253298 (or 3156253290 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 505000525280 its reverse (82525000505), we get a palindrome (587525525785).

The spelling of 505000525280 in words is "five hundred five billion, five hundred twenty-five thousand, two hundred eighty".