487599840 has 432 divisors, whose sum is σ = 2082042144. Its totient is φ = 101191680.

The previous prime is 487599829. The next prime is 487599857. The reversal of 487599840 is 48995784.

487599840 is a `hidden beast` number, since 4 + 8 + 7 + 599 + 8 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7993410 + ... + 7993470.

It is an arithmetic number, because the mean of its divisors is an integer number (4819542).

Almost surely, 2^487599840 is an apocalyptic number.

487599840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487599840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041021072).

487599840 is an abundant number, since it is smaller than the sum of its proper divisors (1594442304).

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

487599840 is a wasteful number, since it uses less digits than its factorization.

487599840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 487599840 is about 22081.6629808536. The cubic root of 487599840 is about 787.0841825943.

The spelling of 487599840 in words is "four hundred eighty-seven million, five hundred ninety-nine thousand, eight hundred forty".