506549240 has 96 divisors (see below), whose sum is σ = 1225536480. Its totient is φ = 188280576.

The previous prime is 506549237. The next prime is 506549299. The reversal of 506549240 is 42945605.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 506549240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 782597 + ... + 783243.

It is an arithmetic number, because the mean of its divisors is an integer number (12766005).

Almost surely, 2^506549240 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 506549240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612768240).

506549240 is an abundant number, since it is smaller than the sum of its proper divisors (718987240).

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

506549240 is a wasteful number, since it uses less digits than its factorization.

506549240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 506549240 is about 22506.6487954115. The cubic root of 506549240 is about 797.1509280312.

The spelling of 506549240 in words is "five hundred six million, five hundred forty-nine thousand, two hundred forty".