487045640 has 32 divisors (see below), whose sum is σ = 1097772480. Its totient is φ = 194476992.

The previous prime is 487045627. The next prime is 487045651. The reversal of 487045640 is 46540784.

It is a junction number, because it is equal to n+sod(n) for n = 487045594 and 487045603.

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 7 ways as a sum of consecutive naturals, for example, 13109 + ... + 33851.

It is an arithmetic number, because the mean of its divisors is an integer number (34305390).

Almost surely, 2^487045640 is an apocalyptic number.

487045640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487045640 is an abundant number, since it is smaller than the sum of its proper divisors (610726840).

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

487045640 is a wasteful number, since it uses less digits than its factorization.

487045640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21341 (or 21337 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 487045640 is about 22069.1105393942. The cubic root of 487045640 is about 786.7858728033.

The spelling of 487045640 in words is "four hundred eighty-seven million, forty-five thousand, six hundred forty".