2042240 has 32 divisors (see below), whose sum is σ = 4883760. Its totient is φ = 816640.

The previous prime is 2042237. The next prime is 2042263. The reversal of 2042240 is 422402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

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, 956 + ... + 2235.

2^2042240 is an apocalyptic number.

2042240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042240 is an abundant number, since it is smaller than the sum of its proper divisors (2841520).

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

2042240 is an equidigital number, since it uses as much as digits as its factorization.

2042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210 (or 3198 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2042240 is about 1429.0696274150. The cubic root of 2042240 is about 126.8729172897.

Adding to 2042240 its reverse (422402), we get a palindrome (2464642).

The spelling of 2042240 in words is "two million, forty-two thousand, two hundred forty".