505395000 has 240 divisors, whose sum is σ = 1867745880. Its totient is φ = 122400000.

The previous prime is 505394933. The next prime is 505395013. The reversal of 505395000 is 593505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 494490 + ... + 495510.

Almost surely, 2^505395000 is an apocalyptic number.

505395000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505395000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933872940).

505395000 is an abundant number, since it is smaller than the sum of its proper divisors (1362350880).

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

505395000 is a wasteful number, since it uses less digits than its factorization.

505395000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 27.

The square root of 505395000 is about 22480.9919709963. The cubic root of 505395000 is about 796.5449959980.

The spelling of 505395000 in words is "five hundred five million, three hundred ninety-five thousand".