505545046544 has 20 divisors (see below), whose sum is σ = 981366380496. Its totient is φ = 252289206432.

The previous prime is 505545046529. The next prime is 505545046547. The reversal of 505545046544 is 445640545505.

It is not an unprimeable number, because it can be changed into a prime (505545046547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30198674 + ... + 30215409.

Almost surely, 2^505545046544 is an apocalyptic number.

It is an amenable number.

505545046544 is a deficient number, since it is larger than the sum of its proper divisors (475821333952).

505545046544 is a wasteful number, since it uses less digits than its factorization.

505545046544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60414614 (or 60414608 counting only the distinct ones).

The product of its (nonzero) digits is 4800000, while the sum is 47.

The spelling of 505545046544 in words is "five hundred five billion, five hundred forty-five million, forty-six thousand, five hundred forty-four".