321840355161484 has 12 divisors (see below), whose sum is σ = 563485168575000. Its totient is φ = 160844592711488.

The previous prime is 321840355161467. The next prime is 321840355161491. The reversal of 321840355161484 is 484161553048123.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18896207734 + ... + 18896224765.

It is an arithmetic number, because the mean of its divisors is an integer number (46957097381250).

Almost surely, 2^{321840355161484} is an apocalyptic number.

It is an amenable number.

321840355161484 is a deficient number, since it is larger than the sum of its proper divisors (241644813413516).

321840355161484 is a wasteful number, since it uses less digits than its factorization.

321840355161484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37792434632 (or 37792434630 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 321840355161484 in words is "three hundred twenty-one trillion, eight hundred forty billion, three hundred fifty-five million, one hundred sixty-one thousand, four hundred eighty-four".