1447442980 has 12 divisors (see below), whose sum is σ = 3039630300. Its totient is φ = 578977184.

The previous prime is 1447442963. The next prime is 1447442981. The reversal of 1447442980 is 892447441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 548402724 + 899040256 = 23418^2 + 29984^2 .

It is not an unprimeable number, because it can be changed into a prime (1447442981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36186055 + ... + 36186094.

It is an arithmetic number, because the mean of its divisors is an integer number (253302525).

Almost surely, 2^1447442980 is an apocalyptic number.

1447442980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1447442980 is an abundant number, since it is smaller than the sum of its proper divisors (1592187320).

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

1447442980 is a wasteful number, since it uses less digits than its factorization.

1447442980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72372158 (or 72372156 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 1447442980 is about 38045.2753965588. The cubic root of 1447442980 is about 1131.1854789366.

The spelling of 1447442980 in words is "one billion, four hundred forty-seven million, four hundred forty-two thousand, nine hundred eighty".