500742144 has 144 divisors (see below), whose sum is σ = 1653266160. Its totient is φ = 143032320.

The previous prime is 500742139. The next prime is 500742199. The reversal of 500742144 is 441247005.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127084 + ... + 130964.

It is an arithmetic number, because the mean of its divisors is an integer number (11481015).

Almost surely, 2^500742144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500742144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (826633080).

500742144 is an abundant number, since it is smaller than the sum of its proper divisors (1152524016).

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

500742144 is a wasteful number, since it uses less digits than its factorization.

500742144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916 (or 3893 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 500742144 is about 22377.2684660126. The cubic root of 500742144 is about 794.0930252429.

Adding to 500742144 its reverse (441247005), we get a palindrome (941989149).

The spelling of 500742144 in words is "five hundred million, seven hundred forty-two thousand, one hundred forty-four".