445173120 has 384 divisors, whose sum is σ = 1795510080. Its totient is φ = 99532800.

The previous prime is 445173083. The next prime is 445173133. The reversal of 445173120 is 21371544.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2459430 + ... + 2459610.

Almost surely, 2^445173120 is an apocalyptic number.

445173120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445173120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897755040).

445173120 is an abundant number, since it is smaller than the sum of its proper divisors (1350336960).

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

445173120 is a wasteful number, since it uses less digits than its factorization.

445173120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 445173120 is about 21099.1260482514. The cubic root of 445173120 is about 763.5596632921.

The spelling of 445173120 in words is "four hundred forty-five million, one hundred seventy-three thousand, one hundred twenty".