321426810144 has 120 divisors (see below), whose sum is σ = 1031244440688. Its totient is φ = 97402055040.

The previous prime is 321426810143. The next prime is 321426810163. The reversal of 321426810144 is 441018624123.

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

It is a junction number, because it is equal to n+sod(n) for n = 321426810099 and 321426810108.

It is not an unprimeable number, because it can be changed into a prime (321426810143) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5608182 + ... + 5665205.

Almost surely, 2^321426810144 is an apocalyptic number.

It is an amenable number.

321426810144 is an abundant number, since it is smaller than the sum of its proper divisors (709817630544).

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

321426810144 is a wasteful number, since it uses less digits than its factorization.

321426810144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11273420 (or 11273403 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 321426810144 in words is "three hundred twenty-one billion, four hundred twenty-six million, eight hundred ten thousand, one hundred forty-four".