4811440 has 40 divisors (see below), whose sum is σ = 11293920. Its totient is φ = 1906176.

The previous prime is 4811413. The next prime is 4811441. The reversal of 4811440 is 441184.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (4811441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10741 + ... + 11179.

It is an arithmetic number, because the mean of its divisors is an integer number (282348).

Almost surely, 2^4811440 is an apocalyptic number.

4811440 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 4811440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5646960).

4811440 is an abundant number, since it is smaller than the sum of its proper divisors (6482480).

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

4811440 is a wasteful number, since it uses less digits than its factorization.

4811440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 4811440 is about 2193.4994871210. The cubic root of 4811440 is about 168.8204388150.

The spelling of 4811440 in words is "four million, eight hundred eleven thousand, four hundred forty".