2321628261232 has 80 divisors (see below), whose sum is σ = 5366301391872. Its totient is φ = 951361044480.

The previous prime is 2321628261217. The next prime is 2321628261331.

2321628261232 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2321628261232² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6648432 + ... + 6988912.

Almost surely, 2^{2321628261232} 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 2321628261232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2683150695936).

2321628261232 is an abundant number, since it is smaller than the sum of its proper divisors (3044673130640).

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

2321628261232 is a wasteful number, since it uses less digits than its factorization.

2321628261232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343166 (or 343160 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The spelling of 2321628261232 in words is "two trillion, three hundred twenty-one billion, six hundred twenty-eight million, two hundred sixty-one thousand, two hundred thirty-two".