845820323028548 has 48 divisors (see below), whose sum is σ = 1746290667039744. Its totient is φ = 350784789765120.

The previous prime is 845820323028467. The next prime is 845820323028557.

It is a happy number.

845820323028548 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3851861 + ... + 41309532.

It is an arithmetic number, because the mean of its divisors is an integer number (36381055563328).

Almost surely, 2^{845820323028548} is an apocalyptic number.

It is an amenable number.

845820323028548 is an abundant number, since it is smaller than the sum of its proper divisors (900470344011196).

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

845820323028548 is a wasteful number, since it uses less digits than its factorization.

845820323028548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45183012 (or 45183010 counting only the distinct ones).

The product of its (nonzero) digits is 117964800, while the sum is 62.

The spelling of 845820323028548 in words is "eight hundred forty-five trillion, eight hundred twenty billion, three hundred twenty-three million, twenty-eight thousand, five hundred forty-eight".