4845440 has 64 divisors (see below), whose sum is σ = 11860560. Its totient is φ = 1892352.

The previous prime is 4845397. The next prime is 4845443. The reversal of 4845440 is 445484.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4845443) 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, 42824 + ... + 42936.

Almost surely, 2^4845440 is an apocalyptic number.

4845440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4845440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5930280).

4845440 is an abundant number, since it is smaller than the sum of its proper divisors (7015120).

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

4845440 is a wasteful number, since it uses less digits than its factorization.

4845440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 4845440 is about 2201.2360164235. The cubic root of 4845440 is about 169.2171618642.

The spelling of 4845440 in words is "four million, eight hundred forty-five thousand, four hundred forty".