2578409044 has 12 divisors (see below), whose sum is σ = 4512612384. Its totient is φ = 1289091224.

The previous prime is 2578409021. The next prime is 2578409063. The reversal of 2578409044 is 4409048752.

It is a congruent number.

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, 42627 + ... + 83509.

It is an arithmetic number, because the mean of its divisors is an integer number (376051032).

Almost surely, 2^2578409044 is an apocalyptic number.

It is an amenable number.

2578409044 is a deficient number, since it is larger than the sum of its proper divisors (1934203340).

2578409044 is a wasteful number, since it uses less digits than its factorization.

2578409044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56654 (or 56652 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 2578409044 is about 50778.0370238945. The cubic root of 2578409044 is about 1371.2519934756.

The spelling of 2578409044 in words is "two billion, five hundred seventy-eight million, four hundred nine thousand, forty-four".