4509486918720 has 504 divisors, whose sum is σ = 18827621601984. Its totient is φ = 985924380672.

The previous prime is 4509486918691. The next prime is 4509486918751. The reversal of 4509486918720 is 278196849054.

4509486918720 is a `hidden beast` number, since 4 + 50 + 9 + 486 + 9 + 1 + 87 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2551087 + ... + 3940433.

Almost surely, 2^{4509486918720} is an apocalyptic number.

4509486918720 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 4509486918720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9413810800992).

4509486918720 is an abundant number, since it is smaller than the sum of its proper divisors (14318134683264).

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

4509486918720 is a wasteful number, since it uses less digits than its factorization.

4509486918720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389407 (or 1389387 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 4509486918720 in words is "four trillion, five hundred nine billion, four hundred eighty-six million, nine hundred eighteen thousand, seven hundred twenty".