6450045328 has 20 divisors (see below), whose sum is σ = 12701832988. Its totient is φ = 3172152960.

The previous prime is 6450045307. The next prime is 6450045337. The reversal of 6450045328 is 8235400546.

It can be written as a sum of positive squares in 2 ways, for example, as 859193344 + 5590851984 = 29312^2 + 74772^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3303351 + ... + 3305302.

Almost surely, 2^6450045328 is an apocalyptic number.

It is an amenable number.

6450045328 is a deficient number, since it is larger than the sum of its proper divisors (6251787660).

6450045328 is a wasteful number, since it uses less digits than its factorization.

6450045328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6608722 (or 6608716 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 6450045328 is about 80312.1742203509. The cubic root of 6450045328 is about 1861.4623455791.

The spelling of 6450045328 in words is "six billion, four hundred fifty million, forty-five thousand, three hundred twenty-eight".