8451812328 has 32 divisors (see below), whose sum is σ = 21147492960. Its totient is φ = 2814875840.

The previous prime is 8451812273. The next prime is 8451812329. The reversal of 8451812328 is 8232181548.

It is a self number, because there is not a number n which added to its sum of digits gives 8451812328.

It is not an unprimeable number, because it can be changed into a prime (8451812329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120750 + ... + 177437.

It is an arithmetic number, because the mean of its divisors is an integer number (660859155).

Almost surely, 2^8451812328 is an apocalyptic number.

It is an amenable number.

8451812328 is an abundant number, since it is smaller than the sum of its proper divisors (12695680632).

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

8451812328 is a wasteful number, since it uses less digits than its factorization.

8451812328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299377 (or 299373 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 8451812328 is about 91933.7387905006. The cubic root of 8451812328 is about 2036.9636625015.

The spelling of 8451812328 in words is "eight billion, four hundred fifty-one million, eight hundred twelve thousand, three hundred twenty-eight".