501304040 has 32 divisors (see below), whose sum is σ = 1128590280. Its totient is φ = 200404992.

The previous prime is 501304033. The next prime is 501304043. The reversal of 501304040 is 40403105.

It can be written as a sum of positive squares in 4 ways, for example, as 130279396 + 371024644 = 11414^2 + 19262^2 .

It is not an unprimeable number, because it can be changed into a prime (501304043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108824 + ... + 113336.

Almost surely, 2^501304040 is an apocalyptic number.

It is an amenable number.

501304040 is an abundant number, since it is smaller than the sum of its proper divisors (627286240).

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

501304040 is a wasteful number, since it uses less digits than its factorization.

501304040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7301 (or 7297 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 501304040 is about 22389.8200082091. The cubic root of 501304040 is about 794.3899384726.

Adding to 501304040 its reverse (40403105), we get a palindrome (541707145).

The spelling of 501304040 in words is "five hundred one million, three hundred four thousand, forty".