505776446 has 16 divisors (see below), whose sum is σ = 868230144. Its totient is φ = 216465144.

The previous prime is 505776433. The next prime is 505776457. The reversal of 505776446 is 644677505.

It is a junction number, because it is equal to n+sod(n) for n = 505776397 and 505776406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13910 + ... + 34713.

It is an arithmetic number, because the mean of its divisors is an integer number (54264384).

Almost surely, 2^505776446 is an apocalyptic number.

505776446 is a deficient number, since it is larger than the sum of its proper divisors (362453698).

505776446 is a wasteful number, since it uses less digits than its factorization.

505776446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49375.

The product of its (nonzero) digits is 705600, while the sum is 44.

The square root of 505776446 is about 22489.4741156835. The cubic root of 505776446 is about 796.7453425876.

The spelling of 505776446 in words is "five hundred five million, seven hundred seventy-six thousand, four hundred forty-six".