3500121444 has 12 divisors (see below), whose sum is σ = 8166950064. Its totient is φ = 1166707144.

The previous prime is 3500121407. The next prime is 3500121463. The reversal of 3500121444 is 4441210053.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145838382 + ... + 145838405.

It is an arithmetic number, because the mean of its divisors is an integer number (680579172).

Almost surely, 2^3500121444 is an apocalyptic number.

It is an amenable number.

3500121444 is an abundant number, since it is smaller than the sum of its proper divisors (4666828620).

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

3500121444 is a wasteful number, since it uses less digits than its factorization.

3500121444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291676794 (or 291676792 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3500121444 is about 59161.8242112259. The cubic root of 3500121444 is about 1518.3120464733.

Adding to 3500121444 its reverse (4441210053), we get a palindrome (7941331497).

The spelling of 3500121444 in words is "three billion, five hundred million, one hundred twenty-one thousand, four hundred forty-four".