201103100440040 has 16 divisors (see below), whose sum is σ = 452481975990180. Its totient is φ = 80441240176000.

The previous prime is 201103100439847. The next prime is 201103100440051. The reversal of 201103100440040 is 40044001301102.

It can be written as a sum of positive squares in 2 ways, for example, as 197752275003364 + 3350825436676 = 14062442^2 + 1830526^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 201103100439994 and 201103100440021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513788755461 + ... + 2513788755540.

Almost surely, 2^{201103100440040} is an apocalyptic number.

201103100440040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201103100440040 is an abundant number, since it is smaller than the sum of its proper divisors (251378875550140).

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

201103100440040 is a wasteful number, since it uses less digits than its factorization.

201103100440040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027577511012 (or 5027577511008 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201103100440040 its reverse (40044001301102), we get a palindrome (241147101741142).

The spelling of 201103100440040 in words is "two hundred one trillion, one hundred three billion, one hundred million, four hundred forty thousand, forty".