505446044550 has 48 divisors (see below), whose sum is σ = 1296730553040. Its totient is φ = 130137831040.

The previous prime is 505446044533. The next prime is 505446044557. The reversal of 505446044550 is 55440644505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505446044557) by changing a digit.

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, 58092897 + ... + 58101596.

It is an arithmetic number, because the mean of its divisors is an integer number (27015219855).

Almost surely, 2^505446044550 is an apocalyptic number.

505446044550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505446044550 is an abundant number, since it is smaller than the sum of its proper divisors (791284508490).

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

505446044550 is a wasteful number, since it uses less digits than its factorization.

505446044550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116194537 (or 116194532 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 505446044550 in words is "five hundred five billion, four hundred forty-six million, forty-four thousand, five hundred fifty".