447889740 has 96 divisors (see below), whose sum is σ = 1298614464. Its totient is φ = 115261440.

The previous prime is 447889723. The next prime is 447889751. The reversal of 447889740 is 47988744.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237682 + ... + 239558.

It is an arithmetic number, because the mean of its divisors is an integer number (13527234).

Almost surely, 2^447889740 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 447889740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649307232).

447889740 is an abundant number, since it is smaller than the sum of its proper divisors (850724724).

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

447889740 is a wasteful number, since it uses less digits than its factorization.

447889740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The square root of 447889740 is about 21163.4056805610. The cubic root of 447889740 is about 765.1096942107.

The spelling of 447889740 in words is "four hundred forty-seven million, eight hundred eighty-nine thousand, seven hundred forty".