502522540 has 48 divisors (see below), whose sum is σ = 1138824288. Its totient is φ = 185163264.

The previous prime is 502522519. The next prime is 502522541. The reversal of 502522540 is 45225205.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (502522541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144664 + ... + 148096.

It is an arithmetic number, because the mean of its divisors is an integer number (23725506).

Almost surely, 2^502522540 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 502522540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569412144).

502522540 is an abundant number, since it is smaller than the sum of its proper divisors (636301748).

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

502522540 is a wasteful number, since it uses less digits than its factorization.

502522540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018 (or 4016 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 502522540 is about 22417.0145202255. The cubic root of 502522540 is about 795.0330484791.

Adding to 502522540 its reverse (45225205), we get a palindrome (547747745).

The spelling of 502522540 in words is "five hundred two million, five hundred twenty-two thousand, five hundred forty".