4045173680 has 20 divisors (see below), whose sum is σ = 9405028992. Its totient is φ = 1618069440.

The previous prime is 4045173679. The next prime is 4045173683. The reversal of 4045173680 is 863715404.

4045173680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (4045173683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25282256 + ... + 25282415.

Almost surely, 2^4045173680 is an apocalyptic number.

4045173680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4045173680 is an abundant number, since it is smaller than the sum of its proper divisors (5359855312).

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

4045173680 is a wasteful number, since it uses less digits than its factorization.

4045173680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50564684 (or 50564678 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 4045173680 is about 63601.6798520291. The cubic root of 4045173680 is about 1593.3544255109.

The spelling of 4045173680 in words is "four billion, forty-five million, one hundred seventy-three thousand, six hundred eighty".