5438218084 has 24 divisors (see below), whose sum is σ = 10487301440. Its totient is φ = 2451574944.

The previous prime is 5438218073. The next prime is 5438218129. The reversal of 5438218084 is 4808128345.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 5438218084.

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, 1213824 + ... + 1218295.

Almost surely, 2^5438218084 is an apocalyptic number.

It is an amenable number.

5438218084 is a deficient number, since it is larger than the sum of its proper divisors (5049083356).

5438218084 is a wasteful number, since it uses less digits than its factorization.

5438218084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432179 (or 2432177 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 5438218084 is about 73744.2749235492. The cubic root of 5438218084 is about 1758.5398189430.

The spelling of 5438218084 in words is "five billion, four hundred thirty-eight million, two hundred eighteen thousand, eighty-four".