445520100 has 36 divisors (see below), whose sum is σ = 1289039024. Its totient is φ = 118805280.

The previous prime is 445520099. The next prime is 445520111. The reversal of 445520100 is 1025544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 742234 + ... + 742833.

Almost surely, 2^445520100 is an apocalyptic number.

It is an amenable number.

445520100 is an abundant number, since it is smaller than the sum of its proper divisors (843518924).

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

445520100 is a wasteful number, since it uses less digits than its factorization.

445520100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485084 (or 1485077 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 445520100 is about 21107.3470621014. The cubic root of 445520100 is about 763.7579914750.

Adding to 445520100 its reverse (1025544), we get a palindrome (446545644).

The spelling of 445520100 in words is "four hundred forty-five million, five hundred twenty thousand, one hundred".