4487660721744 has 40 divisors (see below), whose sum is σ = 11594672893440. Its totient is φ = 1495686989568.

The previous prime is 4487660721703. The next prime is 4487660721749. The reversal of 4487660721744 is 4471270667844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4487660721749) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5884309 + ... + 6603060.

It is an arithmetic number, because the mean of its divisors is an integer number (289866822336).

Almost surely, 2^{4487660721744} is an apocalyptic number.

It is an amenable number.

4487660721744 is an abundant number, since it is smaller than the sum of its proper divisors (7107012171696).

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

4487660721744 is a wasteful number, since it uses less digits than its factorization.

4487660721744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12494867 (or 12494861 counting only the distinct ones).

The product of its (nonzero) digits is 50577408, while the sum is 60.

The spelling of 4487660721744 in words is "four trillion, four hundred eighty-seven billion, six hundred sixty million, seven hundred twenty-one thousand, seven hundred forty-four".