445667856 has 40 divisors (see below), whose sum is σ = 1164255840. Its totient is φ = 146885376.

The previous prime is 445667851. The next prime is 445667879. The reversal of 445667856 is 658766544.

It is a junction number, because it is equal to n+sod(n) for n = 445667799 and 445667808.

It is not an unprimeable number, because it can be changed into a prime (445667851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47890 + ... + 56433.

It is an arithmetic number, because the mean of its divisors is an integer number (29106396).

Almost surely, 2^445667856 is an apocalyptic number.

It is an amenable number.

445667856 is an abundant number, since it is smaller than the sum of its proper divisors (718587984).

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

445667856 is a wasteful number, since it uses less digits than its factorization.

445667856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104423 (or 104417 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 51.

The square root of 445667856 is about 21110.8468802178. The cubic root of 445667856 is about 763.8424151652.

The spelling of 445667856 in words is "four hundred forty-five million, six hundred sixty-seven thousand, eight hundred fifty-six".