7488448656 has 80 divisors (see below), whose sum is σ = 21039695040. Its totient is φ = 2281305600.

The previous prime is 7488448637. The next prime is 7488448703. The reversal of 7488448656 is 6568448847.

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 7488448656.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3615 + ... + 122433.

It is an arithmetic number, because the mean of its divisors is an integer number (262996188).

Almost surely, 2^7488448656 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 7488448656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10519847520).

7488448656 is an abundant number, since it is smaller than the sum of its proper divisors (13551246384).

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

7488448656 is a wasteful number, since it uses less digits than its factorization.

7488448656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118944 (or 118938 counting only the distinct ones).

The product of its digits is 41287680, while the sum is 60.

The square root of 7488448656 is about 86535.8229636721. The cubic root of 7488448656 is about 1956.4283712650.

The spelling of 7488448656 in words is "seven billion, four hundred eighty-eight million, four hundred forty-eight thousand, six hundred fifty-six".