2442040 has 16 divisors (see below), whose sum is σ = 5494680. Its totient is φ = 976800.

The previous prime is 2442019. The next prime is 2442047. The reversal of 2442040 is 402442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30486 + ... + 30565.

2^2442040 is an apocalyptic number.

2442040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2442040 is an abundant number, since it is smaller than the sum of its proper divisors (3052640).

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

2442040 is a wasteful number, since it uses less digits than its factorization.

2442040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61062 (or 61058 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2442040 is about 1562.7027868408. The cubic root of 2442040 is about 134.6638183018.

Adding to 2442040 its reverse (402442), we get a palindrome (2844482).

The spelling of 2442040 in words is "two million, four hundred forty-two thousand, forty".