505421024460 has 288 divisors, whose sum is σ = 1617313775616. Its totient is φ = 117749068800.

The previous prime is 505421024453. The next prime is 505421024503. The reversal of 505421024460 is 64420124505.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19930549 + ... + 19955891.

It is an arithmetic number, because the mean of its divisors is an integer number (5615672832).

Almost surely, 2^505421024460 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 505421024460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808656887808).

505421024460 is an abundant number, since it is smaller than the sum of its proper divisors (1111892751156).

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

505421024460 is a wasteful number, since it uses less digits than its factorization.

505421024460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25485 (or 25472 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 505421024460 its reverse (64420124505), we get a palindrome (569841148965).

The spelling of 505421024460 in words is "five hundred five billion, four hundred twenty-one million, twenty-four thousand, four hundred sixty".