8044561648 has 10 divisors (see below), whose sum is σ = 15586338224. Its totient is φ = 4022280816.

The previous prime is 8044561631. The next prime is 8044561649. The reversal of 8044561648 is 8461654408.

It is a junction number, because it is equal to n+sod(n) for n = 8044561598 and 8044561607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8044561649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251392536 + ... + 251392567.

Almost surely, 2^8044561648 is an apocalyptic number.

It is an amenable number.

8044561648 is a deficient number, since it is larger than the sum of its proper divisors (7541776576).

8044561648 is a wasteful number, since it uses less digits than its factorization.

8044561648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502785111 (or 502785105 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The square root of 8044561648 is about 89691.4803534873. The cubic root of 8044561648 is about 2003.7065969923.

The spelling of 8044561648 in words is "eight billion, forty-four million, five hundred sixty-one thousand, six hundred forty-eight".