9400844945 has 8 divisors (see below), whose sum is σ = 11472217920. Its totient is φ = 7393206640.

The previous prime is 9400844939. The next prime is 9400844969. The reversal of 9400844945 is 5494480049.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9400844945 - 2¹² = 9400840849 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9400844945.

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, 15933341 + ... + 15933930.

It is an arithmetic number, because the mean of its divisors is an integer number (1434027240).

Almost surely, 2^9400844945 is an apocalyptic number.

It is an amenable number.

9400844945 is a deficient number, since it is larger than the sum of its proper divisors (2071372975).

9400844945 is a wasteful number, since it uses less digits than its factorization.

9400844945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31867335.

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 9400844945 is about 96957.9545215347. The cubic root of 9400844945 is about 2110.5175272695.

The spelling of 9400844945 in words is "nine billion, four hundred million, eight hundred forty-four thousand, nine hundred forty-five".