2003940560 has 40 divisors (see below), whose sum is σ = 4663264776. Its totient is φ = 800870400.

The previous prime is 2003940553. The next prime is 2003940563. The reversal of 2003940560 is 650493002.

It can be written as a sum of positive squares in 4 ways, for example, as 138391696 + 1865548864 = 11764^2 + 43192^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2003940560² = 8031555536026227200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003940563) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 85652 + ... + 106508.

Almost surely, 2^2003940560 is an apocalyptic number.

2003940560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003940560 is an abundant number, since it is smaller than the sum of its proper divisors (2659324216).

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

2003940560 is a wasteful number, since it uses less digits than its factorization.

2003940560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22071 (or 22065 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2003940560 is about 44765.3946704371. The cubic root of 2003940560 is about 1260.7479727913.

The spelling of 2003940560 in words is "two billion, three million, nine hundred forty thousand, five hundred sixty".