5180640 has 96 divisors (see below), whose sum is σ = 16765056. Its totient is φ = 1344000.

The previous prime is 5180621. The next prime is 5180653. The reversal of 5180640 is 460815.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5180640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20515 + ... + 20765.

It is an arithmetic number, because the mean of its divisors is an integer number (174636).

Almost surely, 2^5180640 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 5180640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8382528).

5180640 is an abundant number, since it is smaller than the sum of its proper divisors (11584416).

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

5180640 is a wasteful number, since it uses less digits than its factorization.

5180640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 5180640 is about 2276.1019309337. The cubic root of 5180640 is about 173.0325487000.

The spelling of 5180640 in words is "five million, one hundred eighty thousand, six hundred forty".