2010840 has 64 divisors (see below), whose sum is σ = 6501600. Its totient is φ = 494592.

The previous prime is 2010733. The next prime is 2010881. The reversal of 2010840 is 480102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 916 + ... + 2204.

2^2010840 is an apocalyptic number.

2010840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2010840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3250800).

2010840 is an abundant number, since it is smaller than the sum of its proper divisors (4490760).

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

2010840 is a wasteful number, since it uses less digits than its factorization.

2010840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2010840 is about 1418.0409020899. The cubic root of 2010840 is about 126.2193207158.

Adding to 2010840 its reverse (480102), we get a palindrome (2490942).

It can be divided in two parts, 2010 and 840, that added together give a triangular number (2850 = T₇₅).

The spelling of 2010840 in words is "two million, ten thousand, eight hundred forty".