447552864 has 180 divisors, whose sum is σ = 1447790652. Its totient is φ = 135527040.

The previous prime is 447552841. The next prime is 447552869. The reversal of 447552864 is 468255744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447552869) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 312919 + ... + 314345.

Almost surely, 2^447552864 is an apocalyptic number.

447552864 is a gapful number since it is divisible by the number (44) 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 447552864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723895326).

447552864 is an abundant number, since it is smaller than the sum of its proper divisors (1000237788).

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

447552864 is a wasteful number, since it uses less digits than its factorization.

447552864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1443 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 447552864 is about 21155.4452564818. The cubic root of 447552864 is about 764.9178227760.

The spelling of 447552864 in words is "four hundred forty-seven million, five hundred fifty-two thousand, eight hundred sixty-four".