5438540184 has 96 divisors (see below), whose sum is σ = 17254036800. Its totient is φ = 1412604480.

The previous prime is 5438540171. The next prime is 5438540213. The reversal of 5438540184 is 4810458345.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197274 + ... + 223145.

It is an arithmetic number, because the mean of its divisors is an integer number (179729550).

Almost surely, 2^5438540184 is an apocalyptic number.

It is an amenable number.

5438540184 is an abundant number, since it is smaller than the sum of its proper divisors (11815496616).

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

5438540184 is a wasteful number, since it uses less digits than its factorization.

5438540184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420453 (or 420442 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 5438540184 is about 73746.4587895582. The cubic root of 5438540184 is about 1758.5745370856.

The spelling of 5438540184 in words is "five billion, four hundred thirty-eight million, five hundred forty thousand, one hundred eighty-four".