3630489856 has 72 divisors (see below), whose sum is σ = 8549348864. Its totient is φ = 1505710080.

The previous prime is 3630489833. The next prime is 3630489917. The reversal of 3630489856 is 6589840363.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22876 + ... + 88228.

Almost surely, 2^3630489856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3630489856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4274674432).

3630489856 is an abundant number, since it is smaller than the sum of its proper divisors (4918859008).

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

3630489856 is an equidigital number, since it uses as much as digits as its factorization.

3630489856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65407 (or 65393 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 52.

The square root of 3630489856 is about 60253.5464184474. The cubic root of 3630489856 is about 1536.9334965039.

The spelling of 3630489856 in words is "three billion, six hundred thirty million, four hundred eighty-nine thousand, eight hundred fifty-six".