201403322656 has 24 divisors (see below), whose sum is σ = 409303528704. Its totient is φ = 97453220160.

The previous prime is 201403322651. The next prime is 201403322693. The reversal of 201403322656 is 656223304102.

It is not an unprimeable number, because it can be changed into a prime (201403322651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101512780 + ... + 101514763.

It is an arithmetic number, because the mean of its divisors is an integer number (17054313696).

Almost surely, 2^201403322656 is an apocalyptic number.

It is an amenable number.

201403322656 is an abundant number, since it is smaller than the sum of its proper divisors (207900206048).

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

201403322656 is a wasteful number, since it uses less digits than its factorization.

201403322656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203027584 (or 203027576 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 201403322656 its reverse (656223304102), we get a palindrome (857626626758).

The spelling of 201403322656 in words is "two hundred one billion, four hundred three million, three hundred twenty-two thousand, six hundred fifty-six".