445291682900 has 18 divisors (see below), whose sum is σ = 966282952110. Its totient is φ = 178116673120.

The previous prime is 445291682879. The next prime is 445291682917. The reversal of 445291682900 is 9286192544.

It can be written as a sum of positive squares in 3 ways, for example, as 24490372036 + 420801310864 = 156494^2 + 648692^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2226458315 + ... + 2226458514.

Almost surely, 2^445291682900 is an apocalyptic number.

It is an amenable number.

445291682900 is an abundant number, since it is smaller than the sum of its proper divisors (520991269210).

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

445291682900 is a wasteful number, since it uses less digits than its factorization.

445291682900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452916843 (or 4452916836 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 445291682900 in words is "four hundred forty-five billion, two hundred ninety-one million, six hundred eighty-two thousand, nine hundred".