201042134240 has 48 divisors (see below), whose sum is σ = 499960051920. Its totient is φ = 76184386560.

The previous prime is 201042134239. The next prime is 201042134261. The reversal of 201042134240 is 42431240102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33063101 + ... + 33069180.

It is an arithmetic number, because the mean of its divisors is an integer number (10415834415).

Almost surely, 2^201042134240 is an apocalyptic number.

201042134240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201042134240 is an abundant number, since it is smaller than the sum of its proper divisors (298917917680).

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

201042134240 is a wasteful number, since it uses less digits than its factorization.

201042134240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66132315 (or 66132307 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 201042134240 its reverse (42431240102), we get a palindrome (243473374342).

The spelling of 201042134240 in words is "two hundred one billion, forty-two million, one hundred thirty-four thousand, two hundred forty".