5216640 has 256 divisors, whose sum is σ = 20563200. Its totient is φ = 1105920.

The previous prime is 5216623. The next prime is 5216663. The reversal of 5216640 is 466125.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5216640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274551 + ... + 274569.

It is an arithmetic number, because the mean of its divisors is an integer number (80325).

Almost surely, 2^5216640 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 5216640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10281600).

5216640 is an abundant number, since it is smaller than the sum of its proper divisors (15346560).

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

5216640 is a wasteful number, since it uses less digits than its factorization.

5216640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 5216640 is about 2283.9964973703. The cubic root of 5216640 is about 173.4324219762.

The spelling of 5216640 in words is "five million, two hundred sixteen thousand, six hundred forty".