9045801648 has 120 divisors (see below), whose sum is σ = 27725465040. Its totient is φ = 2736115200.

The previous prime is 9045801631. The next prime is 9045801649. The reversal of 9045801648 is 8461085409.

9045801648 is a `hidden beast` number, since 9 + 0 + 4 + 580 + 1 + 64 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (9045801649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69498 + ... + 151398.

It is an arithmetic number, because the mean of its divisors is an integer number (231045542).

Almost surely, 2^9045801648 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 9045801648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13862732520).

9045801648 is an abundant number, since it is smaller than the sum of its proper divisors (18679663392).

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

9045801648 is a wasteful number, since it uses less digits than its factorization.

9045801648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81987 (or 81978 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 9045801648 is about 95109.4193442479. The cubic root of 9045801648 is about 2083.6064196572.

The spelling of 9045801648 in words is "nine billion, forty-five million, eight hundred one thousand, six hundred forty-eight".