6448442460 has 24 divisors (see below), whose sum is σ = 18055639056. Its totient is φ = 1719584640.

The previous prime is 6448442459. The next prime is 6448442461. The reversal of 6448442460 is 642448446.

It is an interprime number because it is at equal distance from previous prime (6448442459) and next prime (6448442461).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448442461) 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, 53736961 + ... + 53737080.

It is an arithmetic number, because the mean of its divisors is an integer number (752318294).

Almost surely, 2^6448442460 is an apocalyptic number.

6448442460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6448442460 is an abundant number, since it is smaller than the sum of its proper divisors (11607196596).

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

6448442460 is a wasteful number, since it uses less digits than its factorization.

6448442460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107474053 (or 107474051 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 42.

The square root of 6448442460 is about 80302.1946150913. The cubic root of 6448442460 is about 1861.3081386207.

The spelling of 6448442460 in words is "six billion, four hundred forty-eight million, four hundred forty-two thousand, four hundred sixty".