505288030 has 64 divisors (see below), whose sum is σ = 999028800. Its totient is φ = 183980160.

The previous prime is 505288013. The next prime is 505288039. The reversal of 505288030 is 30882505.

It is a super-2 number, since 2×505288030² = 510631986522561800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505287983 and 505288001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505288039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2394625 + ... + 2394835.

It is an arithmetic number, because the mean of its divisors is an integer number (15609825).

Almost surely, 2^505288030 is an apocalyptic number.

505288030 is a deficient number, since it is larger than the sum of its proper divisors (493740770).

505288030 is a wasteful number, since it uses less digits than its factorization.

505288030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 505288030 is about 22478.6127240984. The cubic root of 505288030 is about 796.4887941292.

The spelling of 505288030 in words is "five hundred five million, two hundred eighty-eight thousand, thirty".