8445071448 has 128 divisors (see below), whose sum is σ = 25755264000. Its totient is φ = 2542700160.

The previous prime is 8445071431. The next prime is 8445071461. The reversal of 8445071448 is 8441705448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361713 + ... + 384351.

It is an arithmetic number, because the mean of its divisors is an integer number (201213000).

Almost surely, 2^8445071448 is an apocalyptic number.

8445071448 is a gapful number since it is divisible by the number (88) 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 8445071448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12877632000).

8445071448 is an abundant number, since it is smaller than the sum of its proper divisors (17310192552).

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

8445071448 is a wasteful number, since it uses less digits than its factorization.

8445071448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22822 (or 22812 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The square root of 8445071448 is about 91897.0698553550. The cubic root of 8445071448 is about 2036.4219806649.

The spelling of 8445071448 in words is "eight billion, four hundred forty-five million, seventy-one thousand, four hundred forty-eight".