445242415220 has 48 divisors (see below), whose sum is σ = 940092265728. Its totient is φ = 177130947840.

The previous prime is 445242415201. The next prime is 445242415229. The reversal of 445242415220 is 22514242544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445242415229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3176825 + ... + 3314015.

It is an arithmetic number, because the mean of its divisors is an integer number (19585255536).

Almost surely, 2^445242415220 is an apocalyptic number.

It is an amenable number.

445242415220 is an abundant number, since it is smaller than the sum of its proper divisors (494849850508).

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

445242415220 is a wasteful number, since it uses less digits than its factorization.

445242415220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138080 (or 138078 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 445242415220 its reverse (22514242544), we get a palindrome (467756657764).

It can be divided in two parts, 4452424 and 15220, that added together give a palindrome (4467644).

The spelling of 445242415220 in words is "four hundred forty-five billion, two hundred forty-two million, four hundred fifteen thousand, two hundred twenty".