505464531282 has 64 divisors (see below), whose sum is σ = 1152862139520. Its totient is φ = 164062828800.

The previous prime is 505464531133. The next prime is 505464531311. The reversal of 505464531282 is 282135464505.

505464531282 is a `hidden beast` number, since 5 + 0 + 54 + 64 + 531 + 2 + 8 + 2 = 666.

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, 934393 + ... + 1372595.

It is an arithmetic number, because the mean of its divisors is an integer number (18013470930).

Almost surely, 2^505464531282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505464531282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576431069760).

505464531282 is an abundant number, since it is smaller than the sum of its proper divisors (647397608238).

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

505464531282 is a wasteful number, since it uses less digits than its factorization.

505464531282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438776 (or 438770 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

Adding to 505464531282 its reverse (282135464505), we get a palindrome (787599995787).

The spelling of 505464531282 in words is "five hundred five billion, four hundred sixty-four million, five hundred thirty-one thousand, two hundred eighty-two".