4392557880648 has 256 divisors, whose sum is σ = 12801245184000. Its totient is φ = 1230211770624.

The previous prime is 4392557880547. The next prime is 4392557880703. The reversal of 4392557880648 is 8460887552934.

It is a Cunningham number, because it is equal to 2095843²-1.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 863484361 + ... + 863489447.

It is an arithmetic number, because the mean of its divisors is an integer number (50004864000).

Almost surely, 2^{4392557880648} 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 4392557880648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6400622592000).

4392557880648 is an abundant number, since it is smaller than the sum of its proper divisors (8408687303352).

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

4392557880648 is a wasteful number, since it uses less digits than its factorization.

4392557880648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704 (or 5700 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 69.

The spelling of 4392557880648 in words is "four trillion, three hundred ninety-two billion, five hundred fifty-seven million, eight hundred eighty thousand, six hundred forty-eight".