509144350 has 48 divisors (see below), whose sum is σ = 1112585040. Its totient is φ = 170899200.

The previous prime is 509144303. The next prime is 509144359. The reversal of 509144350 is 53441905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509144359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28455 + ... + 42754.

It is an arithmetic number, because the mean of its divisors is an integer number (23178855).

Almost surely, 2^509144350 is an apocalyptic number.

509144350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

509144350 is an abundant number, since it is smaller than the sum of its proper divisors (603440690).

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

509144350 is a wasteful number, since it uses less digits than its factorization.

509144350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71245 (or 71240 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 509144350 is about 22564.2272192070. The cubic root of 509144350 is about 798.5099085492.

The spelling of 509144350 in words is "five hundred nine million, one hundred forty-four thousand, three hundred fifty".