2560040044 has 6 divisors (see below), whose sum is σ = 4480070084. Its totient is φ = 1280020020.

The previous prime is 2560040033. The next prime is 2560040053. The reversal of 2560040044 is 4400400652.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320005002 + ... + 320005009.

Almost surely, 2^2560040044 is an apocalyptic number.

It is an amenable number.

2560040044 is a deficient number, since it is larger than the sum of its proper divisors (1920030040).

2560040044 is a wasteful number, since it uses less digits than its factorization.

2560040044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640010015 (or 640010013 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2560040044 is about 50596.8382806673. The cubic root of 2560040044 is about 1367.9878900413.

Adding to 2560040044 its reverse (4400400652), we get a palindrome (6960440696).

The spelling of 2560040044 in words is "two billion, five hundred sixty million, forty thousand, forty-four".