500055840 has 288 divisors, whose sum is σ = 1780361856. Its totient is φ = 127733760.

The previous prime is 500055797. The next prime is 500055841. The reversal of 500055840 is 48550005.

It is a tau number, because it is divible by the number of its divisors (288).

It is not an unprimeable number, because it can be changed into a prime (500055841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6850044 + ... + 6850116.

It is an arithmetic number, because the mean of its divisors is an integer number (6181812).

Almost surely, 2^500055840 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 500055840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890180928).

500055840 is an abundant number, since it is smaller than the sum of its proper divisors (1280306016).

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

500055840 is a wasteful number, since it uses less digits than its factorization.

500055840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 500055840 is about 22361.9283604970. The cubic root of 500055840 is about 793.7300717092.

The spelling of 500055840 in words is "five hundred million, fifty-five thousand, eight hundred forty".