2789400044 has 12 divisors (see below), whose sum is σ = 4887401568. Its totient is φ = 1392999600.

The previous prime is 2789400037. The next prime is 2789400071. The reversal of 2789400044 is 4400049872.

It is a super-4 number, since 4×2789400044⁴ (a number of 39 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2789399980 and 2789400007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421412 + ... + 427979.

It is an arithmetic number, because the mean of its divisors is an integer number (407283464).

Almost surely, 2^2789400044 is an apocalyptic number.

It is an amenable number.

2789400044 is a deficient number, since it is larger than the sum of its proper divisors (2098001524).

2789400044 is a wasteful number, since it uses less digits than its factorization.

2789400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850216 (or 850214 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 2789400044 is about 52814.7710777960. The cubic root of 2789400044 is about 1407.6789006877.

The spelling of 2789400044 in words is "two billion, seven hundred eighty-nine million, four hundred thousand, forty-four".