505047628 has 24 divisors (see below), whose sum is σ = 937911744. Its totient is φ = 237139200.

The previous prime is 505047619. The next prime is 505047643. The reversal of 505047628 is 826740505.

It is a happy 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, 23293 + ... + 39403.

It is an arithmetic number, because the mean of its divisors is an integer number (39079656).

Almost surely, 2^505047628 is an apocalyptic number.

It is an amenable number.

505047628 is a deficient number, since it is larger than the sum of its proper divisors (432864116).

505047628 is a wasteful number, since it uses less digits than its factorization.

505047628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16593 (or 16591 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 505047628 is about 22473.2647383508. The cubic root of 505047628 is about 796.3624583483.

The spelling of 505047628 in words is "five hundred five million, forty-seven thousand, six hundred twenty-eight".