2443040 has 24 divisors (see below), whose sum is σ = 5772060. Its totient is φ = 977152.

The previous prime is 2443033. The next prime is 2443061. The reversal of 2443040 is 403442.

It can be written as a sum of positive squares in 2 ways, for example, as 2421136 + 21904 = 1556^2 + 148^2 .

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, 7475 + ... + 7794.

2^2443040 is an apocalyptic number.

2443040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2443040 is an abundant number, since it is smaller than the sum of its proper divisors (3329020).

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

2443040 is a wasteful number, since it uses less digits than its factorization.

2443040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15284 (or 15276 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2443040 is about 1563.0227125669. The cubic root of 2443040 is about 134.6821971218.

Adding to 2443040 its reverse (403442), we get a palindrome (2846482).

The spelling of 2443040 in words is "two million, four hundred forty-three thousand, forty".