321677280932 has 72 divisors (see below), whose sum is σ = 694291868928. Its totient is φ = 129578400000.

The previous prime is 321677280917. The next prime is 321677280937. The reversal of 321677280932 is 239082776123.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (321677280937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2438057 + ... + 2566607.

It is an arithmetic number, because the mean of its divisors is an integer number (9642942624).

Almost surely, 2^321677280932 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 321677280932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347145934464).

321677280932 is an abundant number, since it is smaller than the sum of its proper divisors (372614587996).

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

321677280932 is a wasteful number, since it uses less digits than its factorization.

321677280932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129337 (or 129328 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 321677280932 in words is "three hundred twenty-one billion, six hundred seventy-seven million, two hundred eighty thousand, nine hundred thirty-two".