445343251120 has 160 divisors (see below), whose sum is σ = 1108154520000. Its totient is φ = 165960806400.

The previous prime is 445343251091. The next prime is 445343251121. The reversal of 445343251120 is 21152343544.

It is a super-2 number, since 2×445343251120² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445343251121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22864746 + ... + 22884214.

It is an arithmetic number, because the mean of its divisors is an integer number (6925965750).

Almost surely, 2^445343251120 is an apocalyptic number.

445343251120 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 445343251120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554077260000).

445343251120 is an abundant number, since it is smaller than the sum of its proper divisors (662811268880).

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

445343251120 is a wasteful number, since it uses less digits than its factorization.

445343251120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19751 (or 19745 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 445343251120 its reverse (21152343544), we get a palindrome (466495594664).

The spelling of 445343251120 in words is "four hundred forty-five billion, three hundred forty-three million, two hundred fifty-one thousand, one hundred twenty".