505694470 has 16 divisors (see below), whose sum is σ = 916280928. Its totient is φ = 200937600.

The previous prime is 505694467. The next prime is 505694471. The reversal of 505694470 is 74496505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505694471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165939 + ... + 168958.

It is an arithmetic number, because the mean of its divisors is an integer number (57267558).

Almost surely, 2^505694470 is an apocalyptic number.

505694470 is a deficient number, since it is larger than the sum of its proper divisors (410586458).

505694470 is a wasteful number, since it uses less digits than its factorization.

505694470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335055.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 505694470 is about 22487.6515003235. The cubic root of 505694470 is about 796.7022948961.

The spelling of 505694470 in words is "five hundred five million, six hundred ninety-four thousand, four hundred seventy".