505404522036 has 72 divisors (see below), whose sum is σ = 1296037622880. Its totient is φ = 166046279616.

The previous prime is 505404522023. The next prime is 505404522061. The reversal of 505404522036 is 630225404505.

505404522036 is a `hidden beast` number, since 50 + 54 + 0 + 4 + 522 + 0 + 36 = 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, 425835 + ... + 1091853.

It is an arithmetic number, because the mean of its divisors is an integer number (18000522540).

Almost surely, 2^505404522036 is an apocalyptic number.

It is an amenable number.

505404522036 is an abundant number, since it is smaller than the sum of its proper divisors (790633100844).

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

505404522036 is a wasteful number, since it uses less digits than its factorization.

505404522036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666333 (or 666328 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 505404522036 in words is "five hundred five billion, four hundred four million, five hundred twenty-two thousand, thirty-six".