201134240440 has 64 divisors (see below), whose sum is σ = 517475770560. Its totient is φ = 68923852800.

The previous prime is 201134240429. The next prime is 201134240441. The reversal of 201134240440 is 44042431102.

201134240440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201134240441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343344 + ... + 721216.

It is an arithmetic number, because the mean of its divisors is an integer number (8085558915).

Almost surely, 2^201134240440 is an apocalyptic number.

201134240440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201134240440 is an abundant number, since it is smaller than the sum of its proper divisors (316341530120).

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

201134240440 is a wasteful number, since it uses less digits than its factorization.

201134240440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379792 (or 379788 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 201134240440 its reverse (44042431102), we get a palindrome (245176671542).

The spelling of 201134240440 in words is "two hundred one billion, one hundred thirty-four million, two hundred forty thousand, four hundred forty".