201322424440 has 64 divisors (see below), whose sum is σ = 453872354400. Its totient is φ = 80369713152.

The previous prime is 201322424417. The next prime is 201322424441. The reversal of 201322424440 is 44424223102.

It is a junction number, because it is equal to n+sod(n) for n = 201322424399 and 201322424408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201322424441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55019331 + ... + 55022989.

Almost surely, 2^201322424440 is an apocalyptic number.

201322424440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201322424440 is an abundant number, since it is smaller than the sum of its proper divisors (252549929960).

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

201322424440 is a wasteful number, since it uses less digits than its factorization.

201322424440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6016 (or 6012 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 201322424440 its reverse (44424223102), we get a palindrome (245746647542).

The spelling of 201322424440 in words is "two hundred one billion, three hundred twenty-two million, four hundred twenty-four thousand, four hundred forty".