2001404342322 has 144 divisors (see below), whose sum is σ = 5505030086400. Its totient is φ = 519647244480.

The previous prime is 2001404342317. The next prime is 2001404342341. The reversal of 2001404342322 is 2232434041002.

2001404342322 is a `hidden beast` number, since 20 + 0 + 1 + 404 + 3 + 4 + 232 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 26341804 + ... + 26417672.

It is an arithmetic number, because the mean of its divisors is an integer number (38229375600).

Almost surely, 2^{2001404342322} is an apocalyptic number.

2001404342322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001404342322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2752515043200).

2001404342322 is an abundant number, since it is smaller than the sum of its proper divisors (3503625744078).

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

2001404342322 is a wasteful number, since it uses less digits than its factorization.

2001404342322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78621 (or 78611 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2001404342322 its reverse (2232434041002), we get a palindrome (4233838383324).

The spelling of 2001404342322 in words is "two trillion, one billion, four hundred four million, three hundred forty-two thousand, three hundred twenty-two".