3631044420 has 36 divisors (see below), whose sum is σ = 11014168620. Its totient is φ = 968278464.

The previous prime is 3631044413. The next prime is 3631044437. The reversal of 3631044420 is 244401363.

3631044420 is a `hidden beast` number, since 3 + 631 + 0 + 4 + 4 + 4 + 20 = 666.

3631044420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1044711684 + 2586332736 = 32322^2 + 50856^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10086055 + ... + 10086414.

Almost surely, 2^3631044420 is an apocalyptic number.

3631044420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3631044420 is an abundant number, since it is smaller than the sum of its proper divisors (7383124200).

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

3631044420 is a wasteful number, since it uses less digits than its factorization.

3631044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20172484 (or 20172479 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 3631044420 is about 60258.1481627174. The cubic root of 3631044420 is about 1537.0117489920.

Adding to 3631044420 its reverse (244401363), we get a palindrome (3875445783).

The spelling of 3631044420 in words is "three billion, six hundred thirty-one million, forty-four thousand, four hundred twenty".