505235050144 has 48 divisors (see below), whose sum is σ = 1148936939136. Its totient is φ = 216143334400.

The previous prime is 505235050139. The next prime is 505235050163. The reversal of 505235050144 is 441050532505.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42209512 + ... + 42221479.

It is an arithmetic number, because the mean of its divisors is an integer number (23936186232).

Almost surely, 2^505235050144 is an apocalyptic number.

It is an amenable number.

505235050144 is an abundant number, since it is smaller than the sum of its proper divisors (643701888992).

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

505235050144 is a wasteful number, since it uses less digits than its factorization.

505235050144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84431029 (or 84431021 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 505235050144 its reverse (441050532505), we get a palindrome (946285582649).

The spelling of 505235050144 in words is "five hundred five billion, two hundred thirty-five million, fifty thousand, one hundred forty-four".