502532740 has 12 divisors (see below), whose sum is σ = 1055318796. Its totient is φ = 201013088.

The previous prime is 502532731. The next prime is 502532741. The reversal of 502532740 is 47235205.

It can be written as a sum of positive squares in 2 ways, for example, as 83429956 + 419102784 = 9134^2 + 20472^2 .

It is a junction number, because it is equal to n+sod(n) for n = 502532699 and 502532708.

It is not an unprimeable number, because it can be changed into a prime (502532741) 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 3 ways as a sum of consecutive naturals, for example, 12563299 + ... + 12563338.

It is an arithmetic number, because the mean of its divisors is an integer number (87943233).

Almost surely, 2^502532740 is an apocalyptic number.

It is an amenable number.

502532740 is an abundant number, since it is smaller than the sum of its proper divisors (552786056).

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

502532740 is a wasteful number, since it uses less digits than its factorization.

502532740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25126646 (or 25126644 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 502532740 is about 22417.2420248344. The cubic root of 502532740 is about 795.0384275295.

Adding to 502532740 its reverse (47235205), we get a palindrome (549767945).

The spelling of 502532740 in words is "five hundred two million, five hundred thirty-two thousand, seven hundred forty".