446866540 has 48 divisors (see below), whose sum is σ = 982259712. Its totient is φ = 170444736.

The previous prime is 446866499. The next prime is 446866543. The reversal of 446866540 is 45668644.

It is not an unprimeable number, because it can be changed into a prime (446866543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167497 + ... + 170143.

It is an arithmetic number, because the mean of its divisors is an integer number (20463744).

Almost surely, 2^446866540 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 446866540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491129856).

446866540 is an abundant number, since it is smaller than the sum of its proper divisors (535393172).

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

446866540 is a wasteful number, since it uses less digits than its factorization.

446866540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The square root of 446866540 is about 21139.2180555478. The cubic root of 446866540 is about 764.5266212855.

The spelling of 446866540 in words is "four hundred forty-six million, eight hundred sixty-six thousand, five hundred forty".