2080040 has 32 divisors (see below), whose sum is σ = 4725000. Its totient is φ = 824064.

The previous prime is 2080027. The next prime is 2080049. The reversal of 2080040 is 400802.

It can be written as a sum of positive squares in 4 ways, for example, as 1493284 + 586756 = 1222^2 + 766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2079997 and 2080024.

It is not an unprimeable number, because it can be changed into a prime (2080049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5786 + ... + 6134.

2^2080040 is an apocalyptic number.

2080040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2080040 is an abundant number, since it is smaller than the sum of its proper divisors (2644960).

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

2080040 is a wasteful number, since it uses less digits than its factorization.

2080040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2080040 is about 1442.2343776238. The cubic root of 2080040 is about 127.6509042417.

Adding to 2080040 its reverse (400802), we get a palindrome (2480842).

The spelling of 2080040 in words is "two million, eighty thousand, forty".