320135315444 has 12 divisors (see below), whose sum is σ = 640270630944. Its totient is φ = 137200849464.

The previous prime is 320135315393. The next prime is 320135315459. The reversal of 320135315444 is 444513531023.

320135315444 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 5716702034 + ... + 5716702089.

It is an arithmetic number, because the mean of its divisors is an integer number (53355885912).

Almost surely, 2^320135315444 is an apocalyptic number.

It is an amenable number.

320135315444 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.

320135315444 is a wasteful number, since it uses less digits than its factorization.

320135315444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11433404134 (or 11433404132 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 320135315444 its reverse (444513531023), we get a palindrome (764648846467).

The spelling of 320135315444 in words is "three hundred twenty billion, one hundred thirty-five million, three hundred fifteen thousand, four hundred forty-four".