505244040336 has 90 divisors (see below), whose sum is σ = 1644835744422. Its totient is φ = 144355438080.

The previous prime is 505244040283. The next prime is 505244040383. The reversal of 505244040336 is 633040442505.

505244040336 is a `hidden beast` number, since 5 + 0 + 5 + 244 + 0 + 403 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 401144889600 + 104099150736 = 633360^2 + 322644^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 505244040336.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35795385 + ... + 35809496.

Almost surely, 2^505244040336 is an apocalyptic number.

505244040336 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

505244040336 is an abundant number, since it is smaller than the sum of its proper divisors (1139591704086).

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

505244040336 is a wasteful number, since it uses less digits than its factorization.

505244040336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71604909 (or 71604893 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 505244040336 in words is "five hundred five billion, two hundred forty-four million, forty thousand, three hundred thirty-six".