2442140 has 24 divisors (see below), whose sum is σ = 5352480. Its totient is φ = 934208.

The previous prime is 2442133. The next prime is 2442151. The reversal of 2442140 is 412442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2195 + ... + 3114.

It is an arithmetic number, because the mean of its divisors is an integer number (223020).

2^2442140 is an apocalyptic number.

2442140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2442140 is an abundant number, since it is smaller than the sum of its proper divisors (2910340).

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

2442140 is a wasteful number, since it uses less digits than its factorization.

2442140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341 (or 5339 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2442140 is about 1562.7347823607. The cubic root of 2442140 is about 134.6656564095.

Adding to 2442140 its reverse (412442), we get a palindrome (2854582).

The spelling of 2442140 in words is "two million, four hundred forty-two thousand, one hundred forty".