52128440880 has 80 divisors (see below), whose sum is σ = 161668652544. Its totient is φ = 13894854400.

The previous prime is 52128440857. The next prime is 52128440921. The reversal of 52128440880 is 8804482125.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518047 + ... + 610433.

Almost surely, 2^52128440880 is an apocalyptic number.

It is an amenable number.

52128440880 is an abundant number, since it is smaller than the sum of its proper divisors (109540211664).

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

52128440880 is a wasteful number, since it uses less digits than its factorization.

52128440880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94754 (or 94748 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 52128440880 in words is "fifty-two billion, one hundred twenty-eight million, four hundred forty thousand, eight hundred eighty".