4450840 has 16 divisors (see below), whose sum is σ = 10014480. Its totient is φ = 1780320.

The previous prime is 4450829. The next prime is 4450847. The reversal of 4450840 is 480544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4450847) 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, 55596 + ... + 55675.

It is an arithmetic number, because the mean of its divisors is an integer number (625905).

Almost surely, 2^4450840 is an apocalyptic number.

4450840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4450840 is an abundant number, since it is smaller than the sum of its proper divisors (5563640).

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

4450840 is a wasteful number, since it uses less digits than its factorization.

4450840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111282 (or 111278 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4450840 is about 2109.7014006726. The cubic root of 4450840 is about 164.4929644722.

The spelling of 4450840 in words is "four million, four hundred fifty thousand, eight hundred forty".