500550040 has 64 divisors (see below), whose sum is σ = 1195365600. Its totient is φ = 187987968.

The previous prime is 500550013. The next prime is 500550059. The reversal of 500550040 is 40055005.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447562 + ... + 448678.

Almost surely, 2^500550040 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 500550040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597682800).

500550040 is an abundant number, since it is smaller than the sum of its proper divisors (694815560).

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

500550040 is a wasteful number, since it uses less digits than its factorization.

500550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 500550040 is about 22372.9756626158. The cubic root of 500550040 is about 793.9914640167.

The spelling of 500550040 in words is "five hundred million, five hundred fifty thousand, forty".