8445772080 has 480 divisors, whose sum is σ = 31482360000. Its totient is φ = 2020515840.

The previous prime is 8445772079. The next prime is 8445772087. The reversal of 8445772080 is 802775448.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (8445772087) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24199746 + ... + 24200094.

It is an arithmetic number, because the mean of its divisors is an integer number (65588250).

Almost surely, 2^8445772080 is an apocalyptic number.

8445772080 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 8445772080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15741180000).

8445772080 is an abundant number, since it is smaller than the sum of its proper divisors (23036587920).

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

8445772080 is a wasteful number, since it uses less digits than its factorization.

8445772080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 8445772080 is about 91900.8818238432. The cubic root of 8445772080 is about 2036.4782952842.

The spelling of 8445772080 in words is "eight billion, four hundred forty-five million, seven hundred seventy-two thousand, eighty".