8855228067840 has 3744 divisors, whose sum is σ = 41907328908480. Its totient is φ = 1765791498240.

The previous prime is 8855228067799. The next prime is 8855228067841. The reversal of 8855228067840 is 487608225588.

8855228067840 is a `hidden beast` number, since 8 + 8 + 5 + 522 + 8 + 0 + 67 + 8 + 40 = 666.

It is a super-2 number, since 2×8855228067840² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (8855228067841) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 121304494044 + ... + 121304494116.

Almost surely, 2^{8855228067840} is an apocalyptic number.

8855228067840 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 8855228067840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20953664454240).

8855228067840 is an abundant number, since it is smaller than the sum of its proper divisors (33052100840640).

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

8855228067840 is a wasteful number, since it uses less digits than its factorization.

8855228067840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 68812800, while the sum is 63.

The spelling of 8855228067840 in words is "eight trillion, eight hundred fifty-five billion, two hundred twenty-eight million, sixty-seven thousand, eight hundred forty".