63446120 has 64 divisors (see below), whose sum is σ = 148072320. Its totient is φ = 24447744.

The previous prime is 63446107. The next prime is 63446129. The reversal of 63446120 is 2164436.

It is a self number, because there is not a number n which added to its sum of digits gives 63446120.

It is not an unprimeable number, because it can be changed into a prime (63446129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241109 + ... + 241371.

It is an arithmetic number, because the mean of its divisors is an integer number (2313630).

Almost surely, 2^63446120 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 63446120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74036160).

63446120 is an abundant number, since it is smaller than the sum of its proper divisors (84626200).

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

63446120 is a wasteful number, since it uses less digits than its factorization.

63446120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 63446120 is about 7965.3072759310. The cubic root of 63446120 is about 398.8427384263.

The spelling of 63446120 in words is "sixty-three million, four hundred forty-six thousand, one hundred twenty".