8128051450 has 24 divisors (see below), whose sum is σ = 15172003260. Its totient is φ = 3239644800.

The previous prime is 8128051447. The next prime is 8128051471. The reversal of 8128051450 is 541508218.

It can be written as a sum of positive squares in 6 ways, for example, as 2498100361 + 5629951089 = 49981^2 + 75033^2 .

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, 275205 + ... + 303304.

Almost surely, 2^8128051450 is an apocalyptic number.

8128051450 is a deficient number, since it is larger than the sum of its proper divisors (7043951810).

8128051450 is a wasteful number, since it uses less digits than its factorization.

8128051450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578802 (or 578797 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 34.

The square root of 8128051450 is about 90155.7066968032. The cubic root of 8128051450 is about 2010.6145204843.

Adding to 8128051450 its reverse (541508218), we get a palindrome (8669559668).

The spelling of 8128051450 in words is "eight billion, one hundred twenty-eight million, fifty-one thousand, four hundred fifty".