201112041438 has 96 divisors (see below), whose sum is σ = 543365252352. Its totient is φ = 52227129600.

The previous prime is 201112041437. The next prime is 201112041457. The reversal of 201112041438 is 834140211102.

201112041438 is a `hidden beast` number, since 20 + 1 + 1 + 1 + 204 + 1 + 438 = 666.

It is a super-2 number, since 2×201112041438² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112041437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10150870 + ... + 10170662.

It is an arithmetic number, because the mean of its divisors is an integer number (5660054712).

Almost surely, 2^201112041438 is an apocalyptic number.

201112041438 is an abundant number, since it is smaller than the sum of its proper divisors (342253210914).

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

201112041438 is a wasteful number, since it uses less digits than its factorization.

201112041438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27150 (or 27147 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 201112041438 in words is "two hundred one billion, one hundred twelve million, forty-one thousand, four hundred thirty-eight".