487188418640 has 320 divisors, whose sum is σ = 1466594131968. Its totient is φ = 146063001600.

The previous prime is 487188418603. The next prime is 487188418643. The reversal of 487188418640 is 46814881784.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 487188418640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487188418643) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 31882682 + ... + 31897958.

Almost surely, 2^487188418640 is an apocalyptic number.

487188418640 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 487188418640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733297065984).

487188418640 is an abundant number, since it is smaller than the sum of its proper divisors (979405713328).

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

487188418640 is a wasteful number, since it uses less digits than its factorization.

487188418640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15506 (or 15500 counting only the distinct ones).

The product of its (nonzero) digits is 11010048, while the sum is 59.

The spelling of 487188418640 in words is "four hundred eighty-seven billion, one hundred eighty-eight million, four hundred eighteen thousand, six hundred forty".