1447870464 has 150 divisors (see below), whose sum is σ = 4329569244. Its totient is φ = 482181120.

The previous prime is 1447870429. The next prime is 1447870477. The reversal of 1447870464 is 4640787441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1326559 + ... + 1327649.

Almost surely, 2^1447870464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1447870464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2164784622).

1447870464 is an abundant number, since it is smaller than the sum of its proper divisors (2881698780).

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

1447870464 is an frugal number, since it uses more digits than its factorization.

1447870464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The square root of 1447870464 is about 38050.8930775613. The cubic root of 1447870464 is about 1131.2968284228.

The spelling of 1447870464 in words is "one billion, four hundred forty-seven million, eight hundred seventy thousand, four hundred sixty-four".