505047620 has 48 divisors (see below), whose sum is σ = 1322310528. Its totient is φ = 157416960.

The previous prime is 505047619. The next prime is 505047643. The reversal of 505047620 is 26740505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162437 + ... + 165516.

It is an arithmetic number, because the mean of its divisors is an integer number (27548136).

Almost surely, 2^505047620 is an apocalyptic number.

It is an amenable number.

505047620 is an abundant number, since it is smaller than the sum of its proper divisors (817262908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505047620 is a wasteful number, since it uses less digits than its factorization.

505047620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327980 (or 327978 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 505047620 is about 22473.2645603615. The cubic root of 505047620 is about 796.3624541434.

The spelling of 505047620 in words is "five hundred five million, forty-seven thousand, six hundred twenty".