321441001402272 has 96 divisors (see below), whose sum is σ = 858824754197760. Its totient is φ = 105241844229120.

The previous prime is 321441001402271. The next prime is 321441001402337. The reversal of 321441001402272 is 272204100144123.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (321441001402271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34558168 + ... + 42861975.

It is an arithmetic number, because the mean of its divisors is an integer number (8946091189560).

Almost surely, 2^{321441001402272} is an apocalyptic number.

321441001402272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321441001402272 is an abundant number, since it is smaller than the sum of its proper divisors (537383752795488).

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

321441001402272 is a wasteful number, since it uses less digits than its factorization.

321441001402272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77420926 (or 77420918 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

Adding to 321441001402272 its reverse (272204100144123), we get a palindrome (593645101546395).

The spelling of 321441001402272 in words is "three hundred twenty-one trillion, four hundred forty-one billion, one million, four hundred two thousand, two hundred seventy-two".