845440010078 has 8 divisors (see below), whose sum is σ = 1269471455472. Its totient is φ = 422282858256.

The previous prime is 845440010057. The next prime is 845440010081. The reversal of 845440010078 is 870010044548.

845440010078 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 a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218570975 + ... + 218574842.

It is an arithmetic number, because the mean of its divisors is an integer number (158683931934).

Almost surely, 2^845440010078 is an apocalyptic number.

845440010078 is a deficient number, since it is larger than the sum of its proper divisors (424031445394).

845440010078 is a wasteful number, since it uses less digits than its factorization.

845440010078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437146786.

The product of its (nonzero) digits is 143360, while the sum is 41.

The spelling of 845440010078 in words is "eight hundred forty-five billion, four hundred forty million, ten thousand, seventy-eight".