487020840 has 64 divisors (see below), whose sum is σ = 1464782400. Its totient is φ = 129541632.

The previous prime is 487020823. The next prime is 487020851. The reversal of 487020840 is 48020784.

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 15 ways as a sum of consecutive naturals, for example, 44119 + ... + 54041.

It is an arithmetic number, because the mean of its divisors is an integer number (22887225).

Almost surely, 2^487020840 is an apocalyptic number.

487020840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487020840 is an abundant number, since it is smaller than the sum of its proper divisors (977761560).

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

487020840 is a wasteful number, since it uses less digits than its factorization.

487020840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10346 (or 10342 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 487020840 is about 22068.5486609337. The cubic root of 487020840 is about 786.7725183937.

The spelling of 487020840 in words is "four hundred eighty-seven million, twenty thousand, eight hundred forty".