500640480 has 288 divisors, whose sum is σ = 1866019680. Its totient is φ = 125337600.

The previous prime is 500640467. The next prime is 500640499. The reversal of 500640480 is 84046005.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1248280 + ... + 1248680.

It is an arithmetic number, because the mean of its divisors is an integer number (6479235).

Almost surely, 2^500640480 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 500640480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933009840).

500640480 is an abundant number, since it is smaller than the sum of its proper divisors (1365379200).

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

500640480 is a wasteful number, since it uses less digits than its factorization.

500640480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 500640480 is about 22374.9967597763. The cubic root of 500640480 is about 794.0392809233.

Adding to 500640480 its reverse (84046005), we get a palindrome (584686485).

The spelling of 500640480 in words is "five hundred million, six hundred forty thousand, four hundred eighty".