5406439218 has 8 divisors (see below), whose sum is σ = 10812878448. Its totient is φ = 1802146404.

The previous prime is 5406439163. The next prime is 5406439243. The reversal of 5406439218 is 8129346045.

It is a sphenic number, since it is the product of 3 distinct primes.

5406439218 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 5406439218.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450536596 + ... + 450536607.

It is an arithmetic number, because the mean of its divisors is an integer number (1351609806).

Almost surely, 2^5406439218 is an apocalyptic number.

5406439218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5406439218 is a wasteful number, since it uses less digits than its factorization.

5406439218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901073208.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 5406439218 is about 73528.4925590074. The cubic root of 5406439218 is about 1755.1077136185.

The spelling of 5406439218 in words is "five billion, four hundred six million, four hundred thirty-nine thousand, two hundred eighteen".