42881024081 has 8 divisors (see below), whose sum is σ = 49255652160. Its totient is φ = 36568587888.

The previous prime is 42881024041. The next prime is 42881024083. The reversal of 42881024081 is 18042018824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42881024081 - 2²² = 42876829777 is a prime.

It is a super-2 number, since 2×42881024081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42881024083) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15546491 + ... + 15549248.

It is an arithmetic number, because the mean of its divisors is an integer number (6156956520).

Almost surely, 2^42881024081 is an apocalyptic number.

It is an amenable number.

42881024081 is a deficient number, since it is larger than the sum of its proper divisors (6374628079).

42881024081 is a wasteful number, since it uses less digits than its factorization.

42881024081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31095943.

The product of its (nonzero) digits is 32768, while the sum is 38.

The spelling of 42881024081 in words is "forty-two billion, eight hundred eighty-one million, twenty-four thousand, eighty-one".