8445772044 has 48 divisors (see below), whose sum is σ = 22017471840. Its totient is φ = 2799696960.

The previous prime is 8445772039. The next prime is 8445772073. The reversal of 8445772044 is 4402775448.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196479 + ... + 235574.

It is an arithmetic number, because the mean of its divisors is an integer number (458697330).

Almost surely, 2^8445772044 is an apocalyptic number.

It is an amenable number.

8445772044 is an abundant number, since it is smaller than the sum of its proper divisors (13571699796).

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

8445772044 is a wasteful number, since it uses less digits than its factorization.

8445772044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432247 (or 432239 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 45.

The square root of 8445772044 is about 91900.8816279800. The cubic root of 8445772044 is about 2036.4782923907.

The spelling of 8445772044 in words is "eight billion, four hundred forty-five million, seven hundred seventy-two thousand, forty-four".