4271440 has 40 divisors (see below), whose sum is σ = 10044000. Its totient is φ = 1689216.

The previous prime is 4271417. The next prime is 4271441. The reversal of 4271440 is 441724.

4271440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4271441) 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, 8311 + ... + 8809.

It is an arithmetic number, because the mean of its divisors is an integer number (251100).

Almost surely, 2^4271440 is an apocalyptic number.

4271440 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 4271440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5022000).

4271440 is an abundant number, since it is smaller than the sum of its proper divisors (5772560).

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

4271440 is a wasteful number, since it uses less digits than its factorization.

4271440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 4271440 is about 2066.7462350274. The cubic root of 4271440 is about 162.2525147936.

The spelling of 4271440 in words is "four million, two hundred seventy-one thousand, four hundred forty".