505546454444 has 48 divisors (see below), whose sum is σ = 995919115968. Its totient is φ = 223266920448.

The previous prime is 505546454443. The next prime is 505546454471. The reversal of 505546454444 is 444454645505.

It is a junction number, because it is equal to n+sod(n) for n = 505546454392 and 505546454401.

It is not an unprimeable number, because it can be changed into a prime (505546454443) 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 15 ways as a sum of consecutive naturals, for example, 2966537 + ... + 3132320.

It is an arithmetic number, because the mean of its divisors is an integer number (20748314916).

Almost surely, 2^505546454444 is an apocalyptic number.

It is an amenable number.

505546454444 is a deficient number, since it is larger than the sum of its proper divisors (490372661524).

505546454444 is a wasteful number, since it uses less digits than its factorization.

505546454444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6098954 (or 6098952 counting only the distinct ones).

The product of its (nonzero) digits is 15360000, while the sum is 50.

The spelling of 505546454444 in words is "five hundred five billion, five hundred forty-six million, four hundred fifty-four thousand, four hundred forty-four".