200806464442 has 4 divisors (see below), whose sum is σ = 301209696666. Its totient is φ = 100403232220.

The previous prime is 200806464431. The next prime is 200806464479. The reversal of 200806464442 is 244464608002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 176373960961 + 24432503481 = 419969^2 + 156309^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200806464395 and 200806464404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50201616109 + ... + 50201616112.

Almost surely, 2^200806464442 is an apocalyptic number.

200806464442 is a deficient number, since it is larger than the sum of its proper divisors (100403232224).

200806464442 is a wasteful number, since it uses less digits than its factorization.

200806464442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100403232223.

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 200806464442 in words is "two hundred billion, eight hundred six million, four hundred sixty-four thousand, four hundred forty-two".