4121540244 has 36 divisors (see below), whose sum is σ = 10420693920. Its totient is φ = 1373536080.

The previous prime is 4121540207. The next prime is 4121540257. The reversal of 4121540244 is 4420451214.

4121540244 is a `hidden beast` number, since 4 + 1 + 215 + 402 + 44 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193609 + ... + 213839.

It is an arithmetic number, because the mean of its divisors is an integer number (289463720).

Almost surely, 2^4121540244 is an apocalyptic number.

It is an amenable number.

4121540244 is an abundant number, since it is smaller than the sum of its proper divisors (6299153676).

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

4121540244 is a wasteful number, since it uses less digits than its factorization.

4121540244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25900 (or 25895 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4121540244 is about 64199.2230794112. The cubic root of 4121540244 is about 1603.3186643867.

Adding to 4121540244 its reverse (4420451214), we get a palindrome (8541991458).

The spelling of 4121540244 in words is "four billion, one hundred twenty-one million, five hundred forty thousand, two hundred forty-four".