5200640 has 72 divisors (see below), whose sum is σ = 13245120. Its totient is φ = 1949696.

The previous prime is 5200631. The next prime is 5200651. The reversal of 5200640 is 460025.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21641 + ... + 21879.

It is an arithmetic number, because the mean of its divisors is an integer number (183960).

Almost surely, 2^5200640 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 5200640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6622560).

5200640 is an abundant number, since it is smaller than the sum of its proper divisors (8044480).

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

5200640 is a wasteful number, since it uses less digits than its factorization.

5200640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 5200640 is about 2280.4911751638. The cubic root of 5200640 is about 173.2549283795.

Adding to 5200640 its reverse (460025), we get a palindrome (5660665).

The spelling of 5200640 in words is "five million, two hundred thousand, six hundred forty".