2124440103636 has 36 divisors (see below), whose sum is σ = 5430450834900. Its totient is φ = 700189995648.

The previous prime is 2124440103631. The next prime is 2124440103679. The reversal of 2124440103636 is 6363010444212.

2124440103636 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 4 + 4 + 0 + 10 + 3 + 636 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 157029912900 + 1967410190736 = 396270^2 + 1402644^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2124440103636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124440103631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331526151 + ... + 331532558.

It is an arithmetic number, because the mean of its divisors is an integer number (150845856525).

Almost surely, 2^{2124440103636} is an apocalyptic number.

It is an amenable number.

2124440103636 is an abundant number, since it is smaller than the sum of its proper divisors (3306010731264).

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

2124440103636 is a wasteful number, since it uses less digits than its factorization.

2124440103636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663058808 (or 663058803 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 2124440103636 its reverse (6363010444212), we get a palindrome (8487450547848).

The spelling of 2124440103636 in words is "two trillion, one hundred twenty-four billion, four hundred forty million, one hundred three thousand, six hundred thirty-six".