487866515640 has 64 divisors (see below), whose sum is σ = 1672685199360. Its totient is φ = 111512346240.

The previous prime is 487866515621. The next prime is 487866515659. The reversal of 487866515640 is 46515668784.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (487866515621) and next prime (487866515659).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290395896 + ... + 290397575.

It is an arithmetic number, because the mean of its divisors is an integer number (26135706240).

Almost surely, 2^487866515640 is an apocalyptic number.

487866515640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487866515640 is an abundant number, since it is smaller than the sum of its proper divisors (1184818683720).

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

487866515640 is a wasteful number, since it uses less digits than its factorization.

487866515640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580793492 (or 580793488 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 60.

The spelling of 487866515640 in words is "four hundred eighty-seven billion, eight hundred sixty-six million, five hundred fifteen thousand, six hundred forty".