2845378444 has 24 divisors (see below), whose sum is σ = 5043311280. Its totient is φ = 1404459264.

The previous prime is 2845378441. The next prime is 2845378447. The reversal of 2845378444 is 4448735482.

It is an interprime number because it is at equal distance from previous prime (2845378441) and next prime (2845378447).

It is a super-2 number, since 2×2845378444² = 16192356979159722272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2845378441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579552 + ... + 584440.

It is an arithmetic number, because the mean of its divisors is an integer number (210137970).

Almost surely, 2^2845378444 is an apocalyptic number.

It is an amenable number.

2845378444 is a deficient number, since it is larger than the sum of its proper divisors (2197932836).

2845378444 is a wasteful number, since it uses less digits than its factorization.

2845378444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729 (or 6727 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 49.

The square root of 2845378444 is about 53342.0888604861. The cubic root of 2845378444 is about 1417.0331569336.

The spelling of 2845378444 in words is "two billion, eight hundred forty-five million, three hundred seventy-eight thousand, four hundred forty-four".