3561626944 has 28 divisors (see below), whose sum is σ = 7152765984. Its totient is φ = 1759355264.

The previous prime is 3561626917. The next prime is 3561626963. The reversal of 3561626944 is 4496261653.

It is a junction number, because it is equal to n+sod(n) for n = 3561626894 and 3561626903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329932 + ... + 340555.

It is an arithmetic number, because the mean of its divisors is an integer number (255455928).

Almost surely, 2^3561626944 is an apocalyptic number.

It is an amenable number.

3561626944 is an abundant number, since it is smaller than the sum of its proper divisors (3591139040).

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

3561626944 is an equidigital number, since it uses as much as digits as its factorization.

3561626944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670582 (or 670572 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The square root of 3561626944 is about 59679.3678250700. The cubic root of 3561626944 is about 1527.1539133229.

The spelling of 3561626944 in words is "three billion, five hundred sixty-one million, six hundred twenty-six thousand, nine hundred forty-four".