8445046320 has 120 divisors (see below), whose sum is σ = 28642331952. Its totient is φ = 2229696000.

The previous prime is 8445046307. The next prime is 8445046343. The reversal of 8445046320 is 236405448.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14655 + ... + 130785.

Almost surely, 2^8445046320 is an apocalyptic number.

8445046320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8445046320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14321165976).

8445046320 is an abundant number, since it is smaller than the sum of its proper divisors (20197285632).

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

8445046320 is a wasteful number, since it uses less digits than its factorization.

8445046320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116251 (or 116242 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 8445046320 is about 91896.9331370748. The cubic root of 8445046320 is about 2036.4199608967.

The spelling of 8445046320 in words is "eight billion, four hundred forty-five million, forty-six thousand, three hundred twenty".