201324043303440 has 160 divisors (see below), whose sum is σ = 630301112361216. Its totient is φ = 53153401804800.

The previous prime is 201324043303433. The next prime is 201324043303441. The reversal of 201324043303440 is 44303340423102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201324043303441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1100719677 + ... + 1100902563.

Almost surely, 2^{201324043303440} is an apocalyptic number.

201324043303440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201324043303440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315150556180608).

201324043303440 is an abundant number, since it is smaller than the sum of its proper divisors (428977069057776).

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

201324043303440 is a wasteful number, since it uses less digits than its factorization.

201324043303440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228417 (or 228411 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 201324043303440 its reverse (44303340423102), we get a palindrome (245627383726542).

The spelling of 201324043303440 in words is "two hundred one trillion, three hundred twenty-four billion, forty-three million, three hundred three thousand, four hundred forty".