446640063 has 16 divisors (see below), whose sum is σ = 609006816. Its totient is φ = 291058560.

The previous prime is 446640053. The next prime is 446640091. The reversal of 446640063 is 360046644.

It is not a de Polignac number, because 446640063 - 2⁹ = 446639551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446640053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38973 + ... + 49113.

It is an arithmetic number, because the mean of its divisors is an integer number (38062926).

Almost surely, 2^446640063 is an apocalyptic number.

446640063 is a deficient number, since it is larger than the sum of its proper divisors (162366753).

446640063 is a wasteful number, since it uses less digits than its factorization.

446640063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 446640063 is about 21133.8605796480. The cubic root of 446640063 is about 764.3974425566.

The spelling of 446640063 in words is "four hundred forty-six million, six hundred forty thousand, sixty-three".