2840867444 has 12 divisors (see below), whose sum is σ = 4972560768. Its totient is φ = 1420135800.

The previous prime is 2840867423. The next prime is 2840867453. The reversal of 2840867444 is 4447680482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52292 + ... + 91739.

It is an arithmetic number, because the mean of its divisors is an integer number (414380064).

Almost surely, 2^2840867444 is an apocalyptic number.

It is an amenable number.

2840867444 is a deficient number, since it is larger than the sum of its proper divisors (2131693324).

2840867444 is a wasteful number, since it uses less digits than its factorization.

2840867444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148966 (or 148964 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 47.

The square root of 2840867444 is about 53299.7884048333. The cubic root of 2840867444 is about 1416.2839165177.

The spelling of 2840867444 in words is "two billion, eight hundred forty million, eight hundred sixty-seven thousand, four hundred forty-four".