1447805968 has 40 divisors (see below), whose sum is σ = 3223613120. Its totient is φ = 617051520.

The previous prime is 1447805959. The next prime is 1447805971. The reversal of 1447805968 is 8695087441.

It is a super-2 number, since 2×1447805968² = 4192284241952834048, which contains 22 as substring.

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, 15438 + ... + 55981.

It is an arithmetic number, because the mean of its divisors is an integer number (80590328).

Almost surely, 2^1447805968 is an apocalyptic number.

It is an amenable number.

1447805968 is an abundant number, since it is smaller than the sum of its proper divisors (1775807152).

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

1447805968 is a wasteful number, since it uses less digits than its factorization.

1447805968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71615 (or 71609 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 1447805968 is about 38050.0455715890. The cubic root of 1447805968 is about 1131.2800301420.

The spelling of 1447805968 in words is "one billion, four hundred forty-seven million, eight hundred five thousand, nine hundred sixty-eight".