321420301142444 has 96 divisors (see below), whose sum is σ = 673947358156800. Its totient is φ = 131265707328000.

The previous prime is 321420301142443. The next prime is 321420301142453. The reversal of 321420301142444 is 444241103024123.

It is a super-2 number, since 2×321420301142444² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321420301142443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3362369 + ... + 25576280.

It is an arithmetic number, because the mean of its divisors is an integer number (7020284980800).

Almost surely, 2^{321420301142444} is an apocalyptic number.

It is an amenable number.

321420301142444 is an abundant number, since it is smaller than the sum of its proper divisors (352527057014356).

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

321420301142444 is a wasteful number, since it uses less digits than its factorization.

321420301142444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28938919 (or 28938917 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 321420301142444 its reverse (444241103024123), we get a palindrome (765661404166567).

The spelling of 321420301142444 in words is "three hundred twenty-one trillion, four hundred twenty billion, three hundred one million, one hundred forty-two thousand, four hundred forty-four".