844160340 has 48 divisors (see below), whose sum is σ = 2373497280. Its totient is φ = 224171520.

The previous prime is 844160327. The next prime is 844160341. The reversal of 844160340 is 43061448.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 844160298 and 844160307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844160341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14730 + ... + 43649.

It is an arithmetic number, because the mean of its divisors is an integer number (49447860).

Almost surely, 2^844160340 is an apocalyptic number.

It is an amenable number.

844160340 is an abundant number, since it is smaller than the sum of its proper divisors (1529336940).

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

844160340 is a wasteful number, since it uses less digits than its factorization.

844160340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58632 (or 58630 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 844160340 is about 29054.4375268220. The cubic root of 844160340 is about 945.0939465963.

The spelling of 844160340 in words is "eight hundred forty-four million, one hundred sixty thousand, three hundred forty".