487151984640 has 448 divisors, whose sum is σ = 1603128713472. Its totient is φ = 126261657600.

The previous prime is 487151984639. The next prime is 487151984651. The reversal of 487151984640 is 46489151784.

It is a super-2 number, since 2×487151984640² (a number of 24 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 853155555 + ... + 853156125.

Almost surely, 2^487151984640 is an apocalyptic number.

487151984640 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 487151984640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801564356736).

487151984640 is an abundant number, since it is smaller than the sum of its proper divisors (1115976728832).

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

487151984640 is a wasteful number, since it uses less digits than its factorization.

487151984640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 487151984640 in words is "four hundred eighty-seven billion, one hundred fifty-one million, nine hundred eighty-four thousand, six hundred forty".