5218180344 has 48 divisors (see below), whose sum is σ = 15219695400. Its totient is φ = 1605593664.

The previous prime is 5218180339. The next prime is 5218180351. The reversal of 5218180344 is 4430818125.

It is a super-2 number, since 2×5218180344² = 54458812205015916672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5218180299 and 5218180308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2786554 + ... + 2788425.

Almost surely, 2^5218180344 is an apocalyptic number.

It is an amenable number.

5218180344 is an abundant number, since it is smaller than the sum of its proper divisors (10001515056).

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

5218180344 is a wasteful number, since it uses less digits than its factorization.

5218180344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575004 (or 5574997 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 5218180344 is about 72236.9735246432. The cubic root of 5218180344 is about 1734.4949038935.

Adding to 5218180344 its reverse (4430818125), we get a palindrome (9648998469).

The spelling of 5218180344 in words is "five billion, two hundred eighteen million, one hundred eighty thousand, three hundred forty-four".