446561868 has 12 divisors (see below), whose sum is σ = 1041977720. Its totient is φ = 148853952.

The previous prime is 446561867. The next prime is 446561879. The reversal of 446561868 is 868165644.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (446561867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18606733 + ... + 18606756.

Almost surely, 2^446561868 is an apocalyptic number.

It is an amenable number.

446561868 is an abundant number, since it is smaller than the sum of its proper divisors (595415852).

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

446561868 is a wasteful number, since it uses less digits than its factorization.

446561868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37213496 (or 37213494 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 446561868 is about 21132.0105053921. The cubic root of 446561868 is about 764.3528312827.

The spelling of 446561868 in words is "four hundred forty-six million, five hundred sixty-one thousand, eight hundred sixty-eight".