8889463895040 has 1760 divisors, whose sum is σ = 34479932636160. Its totient is φ = 2184944025600.

The previous prime is 8889463894957. The next prime is 8889463895047. The reversal of 8889463895040 is 405983649888.

8889463895040 is a `hidden beast` number, since 8 + 8 + 89 + 4 + 6 + 38 + 9 + 504 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 8889463895040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8889463895047) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 42130160535 + ... + 42130160745.

It is an arithmetic number, because the mean of its divisors is an integer number (19590870816).

Almost surely, 2^{8889463895040} is an apocalyptic number.

8889463895040 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 8889463895040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17239966318080).

8889463895040 is an abundant number, since it is smaller than the sum of its proper divisors (25590468741120).

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

8889463895040 is a wasteful number, since it uses less digits than its factorization.

8889463895040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 477757440, while the sum is 72.

The spelling of 8889463895040 in words is "eight trillion, eight hundred eighty-nine billion, four hundred sixty-three million, eight hundred ninety-five thousand, forty".