2011040 has 24 divisors (see below), whose sum is σ = 4751460. Its totient is φ = 804352.

The previous prime is 2011033. The next prime is 2011057. The reversal of 2011040 is 401102.

It can be written as a sum of positive squares in 2 ways, for example, as 1860496 + 150544 = 1364^2 + 388^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6125 + ... + 6444.

2^2011040 is an apocalyptic number.

2011040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011040 is an abundant number, since it is smaller than the sum of its proper divisors (2740420).

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

2011040 is a wasteful number, since it uses less digits than its factorization.

2011040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12584 (or 12576 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2011040 is about 1418.1114201642. Note that the first 3 decimals coincide. The cubic root of 2011040 is about 126.2235052071.

Adding to 2011040 its reverse (401102), we get a palindrome (2412142).

The spelling of 2011040 in words is "two million, eleven thousand, forty".