321942930792 has 128 divisors (see below), whose sum is σ = 949986263040. Its totient is φ = 88971747840.

The previous prime is 321942930781. The next prime is 321942930797. The reversal of 321942930792 is 297039249123.

It is not an unprimeable number, because it can be changed into a prime (321942930797) 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 31 ways as a sum of consecutive naturals, for example, 11115033 + ... + 11143959.

It is an arithmetic number, because the mean of its divisors is an integer number (7421767680).

Almost surely, 2^321942930792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321942930792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474993131520).

321942930792 is an abundant number, since it is smaller than the sum of its proper divisors (628043332248).

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

321942930792 is a wasteful number, since it uses less digits than its factorization.

321942930792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31111 (or 31107 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

It can be divided in two parts, 3219 and 42930792, that added together give a triangular number (42934011 = T₉₂₆₆).

The spelling of 321942930792 in words is "three hundred twenty-one billion, nine hundred forty-two million, nine hundred thirty thousand, seven hundred ninety-two".