2803775540 has 12 divisors (see below), whose sum is σ = 5887928676. Its totient is φ = 1121510208.

The previous prime is 2803775539. The next prime is 2803775543. The reversal of 2803775540 is 455773082.

It can be written as a sum of positive squares in 2 ways, for example, as 1446737296 + 1357038244 = 38036^2 + 36838^2 .

It is a super-2 number, since 2×2803775540² = 15722314557404583200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2803775543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70094369 + ... + 70094408.

It is an arithmetic number, because the mean of its divisors is an integer number (490660723).

Almost surely, 2^2803775540 is an apocalyptic number.

2803775540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2803775540 is an abundant number, since it is smaller than the sum of its proper divisors (3084153136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2803775540 is a wasteful number, since it uses less digits than its factorization.

2803775540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140188786 (or 140188784 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 2803775540 is about 52950.6897027791. The cubic root of 2803775540 is about 1410.0929704135.

The spelling of 2803775540 in words is "two billion, eight hundred three million, seven hundred seventy-five thousand, five hundred forty".