840028800961 has 8 divisors (see below), whose sum is σ = 960732149184. Its totient is φ = 719500261200.

The previous prime is 840028800953. The next prime is 840028800971. The reversal of 840028800961 is 169008820048.

840028800961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 840028800961 - 2³ = 840028800953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (840028800911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43691815 + ... + 43711036.

It is an arithmetic number, because the mean of its divisors is an integer number (120091518648).

Almost surely, 2^840028800961 is an apocalyptic number.

It is an amenable number.

840028800961 is a deficient number, since it is larger than the sum of its proper divisors (120703348223).

840028800961 is a wasteful number, since it uses less digits than its factorization.

840028800961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87404231.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 840028800961 in words is "eight hundred forty billion, twenty-eight million, eight hundred thousand, nine hundred sixty-one".