487995840 has 280 divisors, whose sum is σ = 1768065552. Its totient is φ = 127733760.

The previous prime is 487995821. The next prime is 487995869. The reversal of 487995840 is 48599784.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1736500 + ... + 1736780.

Almost surely, 2^487995840 is an apocalyptic number.

487995840 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 487995840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884032776).

487995840 is an abundant number, since it is smaller than the sum of its proper divisors (1280069712).

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

487995840 is a wasteful number, since it uses less digits than its factorization.

487995840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 358 counting only the distinct ones).

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

The square root of 487995840 is about 22090.6278769980. The cubic root of 487995840 is about 787.2971994791.

The spelling of 487995840 in words is "four hundred eighty-seven million, nine hundred ninety-five thousand, eight hundred forty".