446662660440 has 32 divisors (see below), whose sum is σ = 1339987981680. Its totient is φ = 119110042752.

The previous prime is 446662660393. The next prime is 446662660441. The reversal of 446662660440 is 44066266644.

It is a self number, because there is not a number n which added to its sum of digits gives 446662660440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446662660441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861094299 + ... + 1861094538.

Almost surely, 2^446662660440 is an apocalyptic number.

446662660440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

446662660440 is an abundant number, since it is smaller than the sum of its proper divisors (893325321240).

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

446662660440 is a wasteful number, since it uses less digits than its factorization.

446662660440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722188851 (or 3722188847 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 446662660440 in words is "four hundred forty-six billion, six hundred sixty-two million, six hundred sixty thousand, four hundred forty".