201112041440 has 48 divisors (see below), whose sum is σ = 475629274512. Its totient is φ = 80359809024.

The previous prime is 201112041437. The next prime is 201112041457. The reversal of 201112041440 is 44140211102.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 512129 + ... + 815168.

It is an arithmetic number, because the mean of its divisors is an integer number (9908943219).

Almost surely, 2^201112041440 is an apocalyptic number.

201112041440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201112041440 is an abundant number, since it is smaller than the sum of its proper divisors (274517233072).

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

201112041440 is a wasteful number, since it uses less digits than its factorization.

201112041440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328259 (or 1328251 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201112041440 its reverse (44140211102), we get a palindrome (245252252542).

The spelling of 201112041440 in words is "two hundred one billion, one hundred twelve million, forty-one thousand, four hundred forty".