6448190528 has 28 divisors (see below), whose sum is σ = 13779908940. Its totient is φ = 2976087552.

The previous prime is 6448190519. The next prime is 6448190533. The reversal of 6448190528 is 8250918446.

It can be written as a sum of positive squares in 2 ways, for example, as 2863534144 + 3584656384 = 53512^2 + 59872^2 .

It is a super-2 number, since 2×6448190528² = 83158322170777837568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3874283 + ... + 3875946.

It is an arithmetic number, because the mean of its divisors is an integer number (492139605).

Almost surely, 2^6448190528 is an apocalyptic number.

It is an amenable number.

6448190528 is an abundant number, since it is smaller than the sum of its proper divisors (7331718412).

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

6448190528 is a wasteful number, since it uses less digits than its factorization.

6448190528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750254 (or 7750244 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 6448190528 is about 80300.6259502378. The cubic root of 6448190528 is about 1861.2838987007.

The spelling of 6448190528 in words is "six billion, four hundred forty-eight million, one hundred ninety thousand, five hundred twenty-eight".