446422464 has 84 divisors (see below), whose sum is σ = 1314235624. Its totient is φ = 144778752.

The previous prime is 446422453. The next prime is 446422469. The reversal of 446422464 is 464224644.

446422464 is a `hidden beast` number, since 4 + 4 + 642 + 2 + 4 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446422469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10839 + ... + 31785.

Almost surely, 2^446422464 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 446422464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657117812).

446422464 is an abundant number, since it is smaller than the sum of its proper divisors (867813160).

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

446422464 is a wasteful number, since it uses less digits than its factorization.

446422464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21002 (or 20989 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

The square root of 446422464 is about 21128.7118395798. The cubic root of 446422464 is about 764.2732865512.

The spelling of 446422464 in words is "four hundred forty-six million, four hundred twenty-two thousand, four hundred sixty-four".