445106638500 has 48 divisors (see below), whose sum is σ = 1296150535680. Its totient is φ = 118695103200.

The previous prime is 445106638481. The next prime is 445106638507. The reversal of 445106638500 is 5836601544.

It is not an unprimeable number, because it can be changed into a prime (445106638507) 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 15 ways as a sum of consecutive naturals, for example, 148367380 + ... + 148370379.

It is an arithmetic number, because the mean of its divisors is an integer number (27003136160).

Almost surely, 2^445106638500 is an apocalyptic number.

It is an amenable number.

445106638500 is an abundant number, since it is smaller than the sum of its proper divisors (851043897180).

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

445106638500 is a wasteful number, since it uses less digits than its factorization.

445106638500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296737781 (or 296737769 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 445106638500 in words is "four hundred forty-five billion, one hundred six million, six hundred thirty-eight thousand, five hundred".