445726328 has 16 divisors (see below), whose sum is σ = 836098080. Its totient is φ = 222766848.

The previous prime is 445726327. The next prime is 445726403. The reversal of 445726328 is 823627544.

It is a super-3 number, since 3×445726328³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445726327) 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, 10001 + ... + 31487.

It is an arithmetic number, because the mean of its divisors is an integer number (52256130).

Almost surely, 2^445726328 is an apocalyptic number.

It is an amenable number.

445726328 is a deficient number, since it is larger than the sum of its proper divisors (390371752).

445726328 is a wasteful number, since it uses less digits than its factorization.

445726328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24086 (or 24082 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 445726328 is about 21112.2317152877. The cubic root of 445726328 is about 763.8758192948.

The spelling of 445726328 in words is "four hundred forty-five million, seven hundred twenty-six thousand, three hundred twenty-eight".