320044043814 has 64 divisors (see below), whose sum is σ = 717493980672. Its totient is φ = 94316659200.

The previous prime is 320044043801. The next prime is 320044043831. The reversal of 320044043814 is 418340440023.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5246839 + ... + 5307485.

It is an arithmetic number, because the mean of its divisors is an integer number (11210843448).

Almost surely, 2^320044043814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320044043814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358746990336).

320044043814 is an abundant number, since it is smaller than the sum of its proper divisors (397449936858).

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

320044043814 is a wasteful number, since it uses less digits than its factorization.

320044043814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62861.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 320044043814 its reverse (418340440023), we get a palindrome (738384483837).

The spelling of 320044043814 in words is "three hundred twenty billion, forty-four million, forty-three thousand, eight hundred fourteen".