505144044216 has 96 divisors (see below), whose sum is σ = 1599902578560. Its totient is φ = 140970424896.

The previous prime is 505144044191. The next prime is 505144044253. The reversal of 505144044216 is 612440441505.

505144044216 is a `hidden beast` number, since 50 + 514 + 40 + 4 + 42 + 16 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11632630 + ... + 11675973.

It is an arithmetic number, because the mean of its divisors is an integer number (16665651860).

Almost surely, 2^505144044216 is an apocalyptic number.

505144044216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

505144044216 is an abundant number, since it is smaller than the sum of its proper divisors (1094758534344).

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

505144044216 is a wasteful number, since it uses less digits than its factorization.

505144044216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23308665 (or 23308658 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 505144044216 in words is "five hundred five billion, one hundred forty-four million, forty-four thousand, two hundred sixteen".