505045838 has 16 divisors (see below), whose sum is σ = 827131824. Its totient is φ = 229373760.

The previous prime is 505045747. The next prime is 505045861. The reversal of 505045838 is 838540505.

It is a super-2 number, since 2×505045838² = 510142596962244488, which contains 22 as substring.

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, 19106 + ... + 37082.

It is an arithmetic number, because the mean of its divisors is an integer number (51695739).

Almost surely, 2^505045838 is an apocalyptic number.

505045838 is a deficient number, since it is larger than the sum of its proper divisors (322085986).

505045838 is a wasteful number, since it uses less digits than its factorization.

505045838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19267.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 505045838 is about 22473.2249132162. The cubic root of 505045838 is about 796.3615175192.

The spelling of 505045838 in words is "five hundred five million, forty-five thousand, eight hundred thirty-eight".