505945430 has 8 divisors (see below), whose sum is σ = 910701792. Its totient is φ = 202378168.

The previous prime is 505945423. The next prime is 505945441. The reversal of 505945430 is 34549505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25297262 + ... + 25297281.

It is an arithmetic number, because the mean of its divisors is an integer number (113837724).

Almost surely, 2^505945430 is an apocalyptic number.

505945430 is a deficient number, since it is larger than the sum of its proper divisors (404756362).

505945430 is a wasteful number, since it uses less digits than its factorization.

505945430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50594550.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 505945430 is about 22493.2307594974. The cubic root of 505945430 is about 796.8340657276.

The spelling of 505945430 in words is "five hundred five million, nine hundred forty-five thousand, four hundred thirty".