445325320 has 32 divisors (see below), whose sum is σ = 1093072320. Its totient is φ = 161936320.

The previous prime is 445325311. The next prime is 445325347. The reversal of 445325320 is 23523544.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505612 + ... + 506491.

It is an arithmetic number, because the mean of its divisors is an integer number (34158510).

Almost surely, 2^445325320 is an apocalyptic number.

445325320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445325320 is an abundant number, since it is smaller than the sum of its proper divisors (647747000).

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

445325320 is a wasteful number, since it uses less digits than its factorization.

445325320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012125 (or 1012121 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 445325320 is about 21102.7325244860. The cubic root of 445325320 is about 763.6466710455.

Adding to 445325320 its reverse (23523544), we get a palindrome (468848864).

The spelling of 445325320 in words is "four hundred forty-five million, three hundred twenty-five thousand, three hundred twenty".