63840607488 has 360 divisors, whose sum is σ = 223454266112. Its totient is φ = 17745702912.

The previous prime is 63840607483. The next prime is 63840607499. The reversal of 63840607488 is 88470604836.

63840607488 is a `hidden beast` number, since 63 + 8 + 40 + 60 + 7 + 488 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63840607483) 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 39 ways as a sum of consecutive naturals, for example, 5364681 + ... + 5376567.

Almost surely, 2^63840607488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63840607488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111727133056).

63840607488 is an abundant number, since it is smaller than the sum of its proper divisors (159613658624).

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

63840607488 is a wasteful number, since it uses less digits than its factorization.

63840607488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11959 (or 11936 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 63840607488 in words is "sixty-three billion, eight hundred forty million, six hundred seven thousand, four hundred eighty-eight".