6448860356 has 24 divisors (see below), whose sum is σ = 11393894400. Its totient is φ = 3193549632.

The previous prime is 6448860347. The next prime is 6448860367. The reversal of 6448860356 is 6530688446.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293696 + ... + 314888.

It is an arithmetic number, because the mean of its divisors is an integer number (474745600).

Almost surely, 2^6448860356 is an apocalyptic number.

It is an amenable number.

6448860356 is a deficient number, since it is larger than the sum of its proper divisors (4945034044).

6448860356 is a wasteful number, since it uses less digits than its factorization.

6448860356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21923 (or 21921 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 50.

The square root of 6448860356 is about 80304.7965939769. The cubic root of 6448860356 is about 1861.3483455611.

The spelling of 6448860356 in words is "six billion, four hundred forty-eight million, eight hundred sixty thousand, three hundred fifty-six".