487057920 has 80 divisors (see below), whose sum is σ = 1557087840. Its totient is φ = 129880064.

The previous prime is 487057843. The next prime is 487057927. The reversal of 487057920 is 29750784.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (487057927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24030 + ... + 39389.

It is an arithmetic number, because the mean of its divisors is an integer number (19463598).

Almost surely, 2^487057920 is an apocalyptic number.

487057920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487057920 is an abundant number, since it is smaller than the sum of its proper divisors (1070029920).

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

487057920 is an equidigital number, since it uses as much as digits as its factorization.

487057920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63445 (or 63429 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 487057920 is about 22069.3887545623. The cubic root of 487057920 is about 786.7924852221.

The spelling of 487057920 in words is "four hundred eighty-seven million, fifty-seven thousand, nine hundred twenty".