505858434044 has 12 divisors (see below), whose sum is σ = 885262610568. Its totient is φ = 252926259600.

The previous prime is 505858434023. The next prime is 505858434049. The reversal of 505858434044 is 440434858505.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 505858433983 and 505858434001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505858434049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329222 + ... + 1058349.

It is an arithmetic number, because the mean of its divisors is an integer number (73771884214).

Almost surely, 2^505858434044 is an apocalyptic number.

It is an amenable number.

505858434044 is a deficient number, since it is larger than the sum of its proper divisors (379404176524).

505858434044 is a wasteful number, since it uses less digits than its factorization.

505858434044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478716 (or 1478714 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 50.

The spelling of 505858434044 in words is "five hundred five billion, eight hundred fifty-eight million, four hundred thirty-four thousand, forty-four".