201143232240 has 80 divisors (see below), whose sum is σ = 624250843008. Its totient is φ = 53577393408.

The previous prime is 201143232221. The next prime is 201143232289. The reversal of 201143232240 is 42232341102.

It is a happy number.

201143232240 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 201143232240.

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, 262654 + ... + 686493.

Almost surely, 2^201143232240 is an apocalyptic number.

201143232240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201143232240 is an abundant number, since it is smaller than the sum of its proper divisors (423107610768).

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

201143232240 is a wasteful number, since it uses less digits than its factorization.

201143232240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950046 (or 950040 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 201143232240 its reverse (42232341102), we get a palindrome (243375573342).

The spelling of 201143232240 in words is "two hundred one billion, one hundred forty-three million, two hundred thirty-two thousand, two hundred forty".