5636240 has 40 divisors (see below), whose sum is σ = 13392000. Its totient is φ = 2205056.

The previous prime is 5636233. The next prime is 5636249. The reversal of 5636240 is 426365.

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

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (5636249) 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, 3011 + ... + 4509.

It is an arithmetic number, because the mean of its divisors is an integer number (334800).

Almost surely, 2^5636240 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 5636240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6696000).

5636240 is an abundant number, since it is smaller than the sum of its proper divisors (7755760).

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

5636240 is a wasteful number, since it uses less digits than its factorization.

5636240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 5636240 is about 2374.0766626206. The cubic root of 5636240 is about 177.9630441311.

The spelling of 5636240 in words is "five million, six hundred thirty-six thousand, two hundred forty".