4442840 has 32 divisors (see below), whose sum is σ = 10098000. Its totient is φ = 1759104.

The previous prime is 4442839. The next prime is 4442843. The reversal of 4442840 is 482444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3851 + ... + 4869.

Almost surely, 2^4442840 is an apocalyptic number.

4442840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4442840 is an abundant number, since it is smaller than the sum of its proper divisors (5655160).

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

4442840 is a wasteful number, since it uses less digits than its factorization.

4442840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 4442840 is about 2107.8045450183. The cubic root of 4442840 is about 164.3943514062.

The spelling of 4442840 in words is "four million, four hundred forty-two thousand, eight hundred forty".