5221040 has 80 divisors (see below), whose sum is σ = 14061600. Its totient is φ = 1781760.

The previous prime is 5221039. The next prime is 5221049. The reversal of 5221040 is 401225.

It is a tau number, because it is divible by the number of its divisors (80).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5221049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14786 + ... + 15134.

It is an arithmetic number, because the mean of its divisors is an integer number (175770).

Almost surely, 2^5221040 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 5221040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7030800).

5221040 is an abundant number, since it is smaller than the sum of its proper divisors (8840560).

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

5221040 is a wasteful number, since it uses less digits than its factorization.

5221040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 5221040 is about 2284.9595182410. The cubic root of 5221040 is about 173.4811690758.

Adding to 5221040 its reverse (401225), we get a palindrome (5622265).

The spelling of 5221040 in words is "five million, two hundred twenty-one thousand, forty".