5171440 has 40 divisors (see below), whose sum is σ = 12142080. Its totient is φ = 2048256.

The previous prime is 5171437. The next prime is 5171449. The reversal of 5171440 is 441715.

5171440 = T₆₁ + T₆₂ + ... + T₃₁₄.

5171440 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171449) 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, 9906 + ... + 10414.

It is an arithmetic number, because the mean of its divisors is an integer number (303552).

Almost surely, 2^5171440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5171440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6071040).

5171440 is an abundant number, since it is smaller than the sum of its proper divisors (6970640).

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

5171440 is a wasteful number, since it uses less digits than its factorization.

5171440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 5171440 is about 2274.0800337719. The cubic root of 5171440 is about 172.9300618323.

The spelling of 5171440 in words is "five million, one hundred seventy-one thousand, four hundred forty".