321245506944 has 96 divisors (see below), whose sum is σ = 927755577840. Its totient is φ = 106695152640.

The previous prime is 321245506943. The next prime is 321245506969. The reversal of 321245506944 is 449605542123.

321245506944 is a `hidden beast` number, since 3 + 2 + 1 + 2 + 4 + 550 + 6 + 94 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 321245506944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321245506943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184252 + ... + 822459.

Almost surely, 2^321245506944 is an apocalyptic number.

It is an amenable number.

321245506944 is an abundant number, since it is smaller than the sum of its proper divisors (606510070896).

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

321245506944 is a wasteful number, since it uses less digits than its factorization.

321245506944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007008 (or 1006993 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 321245506944 in words is "three hundred twenty-one billion, two hundred forty-five million, five hundred six thousand, nine hundred forty-four".