845938094946 has 64 divisors (see below), whose sum is σ = 1977744384000. Its totient is φ = 241119511248.

The previous prime is 845938094927. The next prime is 845938094957. The reversal of 845938094946 is 649490839548.

It is a super-2 number, since 2×845938094946² (a number of 25 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 371791 + ... + 1352813.

It is an arithmetic number, because the mean of its divisors is an integer number (30902256000).

Almost surely, 2^845938094946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 845938094946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988872192000).

845938094946 is an abundant number, since it is smaller than the sum of its proper divisors (1131806289054).

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

845938094946 is a wasteful number, since it uses less digits than its factorization.

845938094946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981468 (or 981454 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 69.

The spelling of 845938094946 in words is "eight hundred forty-five billion, nine hundred thirty-eight million, ninety-four thousand, nine hundred forty-six".