3665630444 has 24 divisors (see below), whose sum is σ = 7332584448. Its totient is φ = 1570700880.

The previous prime is 3665630431. The next prime is 3665630473. The reversal of 3665630444 is 4440365663.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240779 + ... + 255549.

It is an arithmetic number, because the mean of its divisors is an integer number (305524352).

Almost surely, 2^3665630444 is an apocalyptic number.

It is an amenable number.

3665630444 is an abundant number, since it is smaller than the sum of its proper divisors (3666954004).

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

3665630444 is a wasteful number, since it uses less digits than its factorization.

3665630444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23645 (or 23643 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

The square root of 3665630444 is about 60544.4501502821. The cubic root of 3665630444 is about 1541.8763944227.

The spelling of 3665630444 in words is "three billion, six hundred sixty-five million, six hundred thirty thousand, four hundred forty-four".