8120452528 has 20 divisors (see below), whose sum is σ = 15968205400. Its totient is φ = 3999625344.

The previous prime is 8120452523. The next prime is 8120452537. The reversal of 8120452528 is 8252540218.

It is not an unprimeable number, because it can be changed into a prime (8120452523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3786453 + ... + 3788596.

It is an arithmetic number, because the mean of its divisors is an integer number (798410270).

Almost surely, 2^8120452528 is an apocalyptic number.

It is an amenable number.

8120452528 is a deficient number, since it is larger than the sum of its proper divisors (7847752872).

8120452528 is a wasteful number, since it uses less digits than its factorization.

8120452528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7575124 (or 7575118 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 37.

The square root of 8120452528 is about 90113.5535199894. The cubic root of 8120452528 is about 2009.9877500635.

The spelling of 8120452528 in words is "eight billion, one hundred twenty million, four hundred fifty-two thousand, five hundred twenty-eight".