3648965680 has 40 divisors (see below), whose sum is σ = 8982898272. Its totient is φ = 1373727744.

The previous prime is 3648965669. The next prime is 3648965729. The reversal of 3648965680 is 865698463.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 1340172 + ... + 1342891.

Almost surely, 2^3648965680 is an apocalyptic number.

It is an amenable number.

3648965680 is an abundant number, since it is smaller than the sum of its proper divisors (5333932592).

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

3648965680 is a wasteful number, since it uses less digits than its factorization.

3648965680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683093 (or 2683087 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The square root of 3648965680 is about 60406.6691682301. The cubic root of 3648965680 is about 1539.5362746120.

The spelling of 3648965680 in words is "three billion, six hundred forty-eight million, nine hundred sixty-five thousand, six hundred eighty".