447440080 has 40 divisors (see below), whose sum is σ = 1041710112. Its totient is φ = 178733184.

The previous prime is 447440023. The next prime is 447440089. The reversal of 447440080 is 80044744.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447440089) 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, 62779 + ... + 69541.

Almost surely, 2^447440080 is an apocalyptic number.

447440080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447440080 is an abundant number, since it is smaller than the sum of its proper divisors (594270032).

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

447440080 is a wasteful number, since it uses less digits than its factorization.

447440080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603 (or 7597 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 447440080 is about 21152.7794863937. The cubic root of 447440080 is about 764.8535638944.

The spelling of 447440080 in words is "four hundred forty-seven million, four hundred forty thousand, eighty".