845110040 has 32 divisors (see below), whose sum is σ = 1947879360. Its totient is φ = 329798400.

The previous prime is 845110039. The next prime is 845110087. The reversal of 845110040 is 40011548.

It is a junction number, because it is equal to n+sod(n) for n = 845109988 and 845110015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256016 + ... + 259295.

It is an arithmetic number, because the mean of its divisors is an integer number (60871230).

Almost surely, 2^845110040 is an apocalyptic number.

It is an amenable number.

845110040 is an abundant number, since it is smaller than the sum of its proper divisors (1102769320).

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

845110040 is a wasteful number, since it uses less digits than its factorization.

845110040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515363 (or 515359 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 845110040 is about 29070.7763914210. The cubic root of 845110040 is about 945.4482313210.

Adding to 845110040 its reverse (40011548), we get a palindrome (885121588).

The spelling of 845110040 in words is "eight hundred forty-five million, one hundred ten thousand, forty".