505144227060 has 72 divisors (see below), whose sum is σ = 1671568176096. Its totient is φ = 122459206080.

The previous prime is 505144227053. The next prime is 505144227061. The reversal of 505144227060 is 60722441505.

It is a happy number.

505144227060 is a `hidden beast` number, since 50 + 514 + 4 + 22 + 70 + 6 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505144227061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127559694 + ... + 127563653.

It is an arithmetic number, because the mean of its divisors is an integer number (23216224668).

Almost surely, 2^505144227060 is an apocalyptic number.

It is an amenable number.

505144227060 is an abundant number, since it is smaller than the sum of its proper divisors (1166423949036).

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

505144227060 is a wasteful number, since it uses less digits than its factorization.

505144227060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255123373 (or 255123368 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

Adding to 505144227060 its reverse (60722441505), we get a palindrome (565866668565).

The spelling of 505144227060 in words is "five hundred five billion, one hundred forty-four million, two hundred twenty-seven thousand, sixty".