42881000528 has 20 divisors (see below), whose sum is σ = 83085376020. Its totient is φ = 21439613184.

The previous prime is 42881000509. The next prime is 42881000531. The reversal of 42881000528 is 82500018824.

It can be written as a sum of positive squares in 2 ways, for example, as 8073381904 + 34807618624 = 89852^2 + 186568^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42881000491 and 42881000500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531908 + ... + 607196.

It is an arithmetic number, because the mean of its divisors is an integer number (4154268801).

Almost surely, 2^42881000528 is an apocalyptic number.

It is an amenable number.

42881000528 is a deficient number, since it is larger than the sum of its proper divisors (40204375492).

42881000528 is a wasteful number, since it uses less digits than its factorization.

42881000528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110894 (or 110888 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The spelling of 42881000528 in words is "forty-two billion, eight hundred eighty-one million, five hundred twenty-eight", and thus it is an aban number.