505545046454 has 12 divisors (see below), whose sum is σ = 882124520004. Its totient is φ = 216662162724.

The previous prime is 505545046429. The next prime is 505545046471. The reversal of 505545046454 is 454640545505.

It is a junction number, because it is equal to n+sod(n) for n = 505545046399 and 505545046408.

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 5 ways as a sum of consecutive naturals, for example, 2579311364 + ... + 2579311559.

It is an arithmetic number, because the mean of its divisors is an integer number (73510376667).

Almost surely, 2^505545046454 is an apocalyptic number.

505545046454 is a deficient number, since it is larger than the sum of its proper divisors (376579473550).

505545046454 is a wasteful number, since it uses less digits than its factorization.

505545046454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5158622939 (or 5158622932 counting only the distinct ones).

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

The spelling of 505545046454 in words is "five hundred five billion, five hundred forty-five million, forty-six thousand, four hundred fifty-four".