446645340 has 120 divisors (see below), whose sum is σ = 1425196080. Its totient is φ = 117061632.

The previous prime is 446645299. The next prime is 446645347. The reversal of 446645340 is 43546644.

446645340 is a `hidden beast` number, since 4 + 4 + 6 + 645 + 3 + 4 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 446645295 and 446645304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446645347) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 93244 + ... + 97916.

It is an arithmetic number, because the mean of its divisors is an integer number (11876634).

Almost surely, 2^446645340 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 446645340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712598040).

446645340 is an abundant number, since it is smaller than the sum of its proper divisors (978550740).

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

446645340 is a wasteful number, since it uses less digits than its factorization.

446645340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753 (or 4742 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 446645340 is about 21133.9854263222. The cubic root of 446645340 is about 764.4004529668.

It can be divided in two parts, 446645 and 340, that added together give a triangular number (446985 = T₉₄₅).

The spelling of 446645340 in words is "four hundred forty-six million, six hundred forty-five thousand, three hundred forty".