320053405144 has 24 divisors (see below), whose sum is σ = 659614199580. Its totient is φ = 145478820080.

The previous prime is 320053405127. The next prime is 320053405201. The reversal of 320053405144 is 441504350023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165315874 + ... + 165317809.

Almost surely, 2^320053405144 is an apocalyptic number.

It is an amenable number.

320053405144 is an abundant number, since it is smaller than the sum of its proper divisors (339560794436).

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

320053405144 is a wasteful number, since it uses less digits than its factorization.

320053405144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330633711 (or 330633696 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 320053405144 its reverse (441504350023), we get a palindrome (761557755167).

The spelling of 320053405144 in words is "three hundred twenty billion, fifty-three million, four hundred five thousand, one hundred forty-four".