8181453200 has 60 divisors (see below), whose sum is σ = 20690483760. Its totient is φ = 3100337280.

The previous prime is 8181453151. The next prime is 8181453223. The reversal of 8181453200 is 23541818.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530654 + ... + 545853.

It is an arithmetic number, because the mean of its divisors is an integer number (344841396).

Almost surely, 2^8181453200 is an apocalyptic number.

8181453200 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8181453200 is an abundant number, since it is smaller than the sum of its proper divisors (12509030560).

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

8181453200 is a wasteful number, since it uses less digits than its factorization.

8181453200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076544 (or 1076533 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 8181453200 is about 90451.3858379185. The cubic root of 8181453200 is about 2015.0081953253.

The spelling of 8181453200 in words is "eight billion, one hundred eighty-one million, four hundred fifty-three thousand, two hundred".