445406328 has 48 divisors (see below), whose sum is σ = 1207369800. Its totient is φ = 148338240.

The previous prime is 445406321. The next prime is 445406369. The reversal of 445406328 is 823604544.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 445406292 and 445406301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445406321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114658 + ... + 118478.

Almost surely, 2^445406328 is an apocalyptic number.

It is an amenable number.

445406328 is an abundant number, since it is smaller than the sum of its proper divisors (761963472).

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

445406328 is a wasteful number, since it uses less digits than its factorization.

445406328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452 (or 5445 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 445406328 is about 21104.6518094945. The cubic root of 445406328 is about 763.6929725814.

The spelling of 445406328 in words is "four hundred forty-five million, four hundred six thousand, three hundred twenty-eight".