505250244 has 96 divisors (see below), whose sum is σ = 1353663360. Its totient is φ = 162850176.

The previous prime is 505250243. The next prime is 505250287. The reversal of 505250244 is 442052505.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (505250243) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 906814 + ... + 907370.

It is an arithmetic number, because the mean of its divisors is an integer number (14100660).

Almost surely, 2^505250244 is an apocalyptic number.

505250244 is a gapful number since it is divisible by the number (54) 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 505250244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676831680).

505250244 is an abundant number, since it is smaller than the sum of its proper divisors (848413116).

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

505250244 is a wasteful number, since it uses less digits than its factorization.

505250244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 505250244 is about 22477.7722205738. The cubic root of 505250244 is about 796.4689395288.

The spelling of 505250244 in words is "five hundred five million, two hundred fifty thousand, two hundred forty-four".