5639040 has 192 divisors, whose sum is σ = 21481200. Its totient is φ = 1351680.

The previous prime is 5639027. The next prime is 5639069. The reversal of 5639040 is 409365.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 5638995 and 5639013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63316 + ... + 63404.

Almost surely, 2^5639040 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 5639040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10740600).

5639040 is an abundant number, since it is smaller than the sum of its proper divisors (15842160).

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

5639040 is a wasteful number, since it uses less digits than its factorization.

5639040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 5639040 is about 2374.6662923451. Note that the first 3 decimals coincide. The cubic root of 5639040 is about 177.9925090481.

The spelling of 5639040 in words is "five million, six hundred thirty-nine thousand, forty".