321480842000 has 80 divisors (see below), whose sum is σ = 777468689712. Its totient is φ = 128571161600.

The previous prime is 321480841991. The next prime is 321480842003. The reversal of 321480842000 is 248084123.

It can be written as a sum of positive squares in 8 ways, for example, as 138762210064 + 182718631936 = 372508^2 + 427456^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (321480842003) 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, 18865484 + ... + 18882516.

Almost surely, 2^321480842000 is an apocalyptic number.

It is an amenable number.

321480842000 is an abundant number, since it is smaller than the sum of its proper divisors (455987847712).

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

321480842000 is a wasteful number, since it uses less digits than its factorization.

321480842000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26493 (or 26477 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The spelling of 321480842000 in words is "three hundred twenty-one billion, four hundred eighty million, eight hundred forty-two thousand".