2440840 has 32 divisors (see below), whose sum is σ = 5544000. Its totient is φ = 967104.

The previous prime is 2440831. The next prime is 2440849. The reversal of 2440840 is 480442.

2440840 is nontrivially palindromic in base 3.

It is an interprime number because it is at equal distance from previous prime (2440831) and next prime (2440849).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5341 + ... + 5779.

It is an arithmetic number, because the mean of its divisors is an integer number (173250).

2^2440840 is an apocalyptic number.

2440840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440840 is an abundant number, since it is smaller than the sum of its proper divisors (3103160).

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

2440840 is a wasteful number, since it uses less digits than its factorization.

2440840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2440840 is about 1562.3187894921. The cubic root of 2440840 is about 134.6417570936.

The spelling of 2440840 in words is "two million, four hundred forty thousand, eight hundred forty".