321224231224044 has 72 divisors (see below), whose sum is σ = 854722383627840. Its totient is φ = 101438882230752.

The previous prime is 321224231223967. The next prime is 321224231224109. The reversal of 321224231224044 is 440422132422123.

321224231224044 is a `hidden beast` number, since 3 + 2 + 1 + 2 + 2 + 423 + 1 + 224 + 0 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 259786807 + ... + 261020369.

Almost surely, 2^{321224231224044} is an apocalyptic number.

It is an amenable number.

321224231224044 is an abundant number, since it is smaller than the sum of its proper divisors (533498152403796).

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

321224231224044 is a wasteful number, since it uses less digits than its factorization.

321224231224044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614299 (or 1614294 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 321224231224044 its reverse (440422132422123), we get a palindrome (761646363646167).

The spelling of 321224231224044 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, two hundred thirty-one million, two hundred twenty-four thousand, forty-four".