3544121540 has 12 divisors (see below), whose sum is σ = 7442655276. Its totient is φ = 1417648608.

The previous prime is 3544121521. The next prime is 3544121557. The reversal of 3544121540 is 451214453.

It can be written as a sum of positive squares in 2 ways, for example, as 1317980416 + 2226141124 = 36304^2 + 47182^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88603019 + ... + 88603058.

It is an arithmetic number, because the mean of its divisors is an integer number (620221273).

Almost surely, 2^3544121540 is an apocalyptic number.

It is an amenable number.

3544121540 is an abundant number, since it is smaller than the sum of its proper divisors (3898533736).

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

3544121540 is a wasteful number, since it uses less digits than its factorization.

3544121540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177206086 (or 177206084 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 3544121540 is about 59532.5250598360. The cubic root of 3544121540 is about 1524.6478147575.

Adding to 3544121540 its reverse (451214453), we get a palindrome (3995335993).

The spelling of 3544121540 in words is "three billion, five hundred forty-four million, one hundred twenty-one thousand, five hundred forty".