2803540816 has 10 divisors (see below), whose sum is σ = 5431860362. Its totient is φ = 1401770400.

The previous prime is 2803540811. The next prime is 2803540823. The reversal of 2803540816 is 6180453082.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2061523216 + 742017600 = 45404^2 + 27240^2 .

It is a super-2 number, since 2×2803540816² = 15719682213955891712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2803540811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87610635 + ... + 87610666.

Almost surely, 2^2803540816 is an apocalyptic number.

It is an amenable number.

2803540816 is a deficient number, since it is larger than the sum of its proper divisors (2628319546).

2803540816 is a wasteful number, since it uses less digits than its factorization.

2803540816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175221309 (or 175221303 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2803540816 is about 52948.4732168927. The cubic root of 2803540816 is about 1410.0536196768.

Adding to 2803540816 its reverse (6180453082), we get a palindrome (8983993898).

The spelling of 2803540816 in words is "two billion, eight hundred three million, five hundred forty thousand, eight hundred sixteen".