500521040 has 40 divisors (see below), whose sum is σ = 1201256448. Its totient is φ = 193749120.

The previous prime is 500521027. The next prime is 500521051. The reversal of 500521040 is 40125005.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×500521040² = 501042622965363200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98432 + ... + 103391.

Almost surely, 2^500521040 is an apocalyptic number.

It is an amenable number.

500521040 is an abundant number, since it is smaller than the sum of its proper divisors (700735408).

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

500521040 is a wasteful number, since it uses less digits than its factorization.

500521040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201867 (or 201861 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 500521040 is about 22372.3275498997. The cubic root of 500521040 is about 793.9761300871.

Adding to 500521040 its reverse (40125005), we get a palindrome (540646045).

The spelling of 500521040 in words is "five hundred million, five hundred twenty-one thousand, forty".