2184427448394 has 32 divisors (see below), whose sum is σ = 4415540484096. Its totient is φ = 720367150080.

The previous prime is 2184427448381. The next prime is 2184427448447. The reversal of 2184427448394 is 4938447244812.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865414 + ... + 2262254.

It is an arithmetic number, because the mean of its divisors is an integer number (137985640128).

Almost surely, 2^{2184427448394} is an apocalyptic number.

2184427448394 is an abundant number, since it is smaller than the sum of its proper divisors (2231113035702).

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

2184427448394 is a wasteful number, since it uses less digits than its factorization.

2184427448394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399630.

The product of its digits is 49545216, while the sum is 60.

The spelling of 2184427448394 in words is "two trillion, one hundred eighty-four billion, four hundred twenty-seven million, four hundred forty-eight thousand, three hundred ninety-four".