845801102440 has 64 divisors (see below), whose sum is σ = 2225496620160. Its totient is φ = 283245016320.

The previous prime is 845801102437. The next prime is 845801102449. The reversal of 845801102440 is 44201108548.

845801102440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 845801102440.

It is not an unprimeable number, because it can be changed into a prime (845801102449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35112591 + ... + 35136670.

It is an arithmetic number, because the mean of its divisors is an integer number (34773384690).

Almost surely, 2^845801102440 is an apocalyptic number.

It is an amenable number.

845801102440 is an abundant number, since it is smaller than the sum of its proper divisors (1379695517720).

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

845801102440 is a wasteful number, since it uses less digits than its factorization.

845801102440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70249322 (or 70249318 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The spelling of 845801102440 in words is "eight hundred forty-five billion, eight hundred one million, one hundred two thousand, four hundred forty".