3648128244 has 12 divisors (see below), whose sum is σ = 8512299264. Its totient is φ = 1216042744.

The previous prime is 3648128173. The next prime is 3648128249. The reversal of 3648128244 is 4428218463.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 3648128196 and 3648128205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3648128249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152005332 + ... + 152005355.

It is an arithmetic number, because the mean of its divisors is an integer number (709358272).

Almost surely, 2^3648128244 is an apocalyptic number.

It is an amenable number.

3648128244 is an abundant number, since it is smaller than the sum of its proper divisors (4864171020).

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

3648128244 is a wasteful number, since it uses less digits than its factorization.

3648128244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304010694 (or 304010692 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 3648128244 is about 60399.7371186332. The cubic root of 3648128244 is about 1539.4184913044.

The spelling of 3648128244 in words is "three billion, six hundred forty-eight million, one hundred twenty-eight thousand, two hundred forty-four".