447415488 has 168 divisors, whose sum is σ = 1432883088. Its totient is φ = 137604096.

The previous prime is 447415487. The next prime is 447415489. The reversal of 447415488 is 884514744.

It is an interprime number because it is at equal distance from previous prime (447415487) and next prime (447415489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447415483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201070 + ... + 203282.

It is an arithmetic number, because the mean of its divisors is an integer number (8529066).

Almost surely, 2^447415488 is an apocalyptic number.

447415488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447415488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716441544).

447415488 is an abundant number, since it is smaller than the sum of its proper divisors (985467600).

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

447415488 is a wasteful number, since it uses less digits than its factorization.

447415488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253 (or 2231 counting only the distinct ones).

The product of its digits is 573440, while the sum is 45.

The square root of 447415488 is about 21152.1981836404. The cubic root of 447415488 is about 764.8395511254.

The spelling of 447415488 in words is "four hundred forty-seven million, four hundred fifteen thousand, four hundred eighty-eight".