447577460 has 48 divisors (see below), whose sum is σ = 1035562752. Its totient is φ = 161136000.

The previous prime is 447577441. The next prime is 447577463. The reversal of 447577460 is 64775744.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447577463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12149 + ... + 32291.

It is an arithmetic number, because the mean of its divisors is an integer number (21574224).

Almost surely, 2^447577460 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 447577460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517781376).

447577460 is an abundant number, since it is smaller than the sum of its proper divisors (587985292).

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

447577460 is a wasteful number, since it uses less digits than its factorization.

447577460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20264 (or 20262 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 44.

The square root of 447577460 is about 21156.0265645513. The cubic root of 447577460 is about 764.9318349562.

The spelling of 447577460 in words is "four hundred forty-seven million, five hundred seventy-seven thousand, four hundred sixty".