8547226380 has 768 divisors, whose sum is σ = 36126720000. Its totient is φ = 1623628800.

The previous prime is 8547226327. The next prime is 8547226421. The reversal of 8547226380 is 836227458.

8547226380 is a `hidden beast` number, since 8 + 5 + 4 + 7 + 2 + 2 + 638 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 24490446 + ... + 24490794.

It is an arithmetic number, because the mean of its divisors is an integer number (47040000).

Almost surely, 2^8547226380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8547226380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18063360000).

8547226380 is an abundant number, since it is smaller than the sum of its proper divisors (27579493620).

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

8547226380 is a wasteful number, since it uses less digits than its factorization.

8547226380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 8547226380 is about 92451.2108087287. The cubic root of 8547226380 is about 2044.6002155671.

The spelling of 8547226380 in words is "eight billion, five hundred forty-seven million, two hundred twenty-six thousand, three hundred eighty".