202244040442 has 8 divisors (see below), whose sum is σ = 306369685332. Its totient is φ = 100120812000.

The previous prime is 202244040431. The next prime is 202244040463. The reversal of 202244040442 is 244040442202.

It can be written as a sum of positive squares in 2 ways, for example, as 177317630281 + 24926410161 = 421091^2 + 157881^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 202244040442.

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 3 ways as a sum of consecutive naturals, for example, 500603859 + ... + 500604262.

Almost surely, 2^202244040442 is an apocalyptic number.

202244040442 is a deficient number, since it is larger than the sum of its proper divisors (104125644890).

202244040442 is a wasteful number, since it uses less digits than its factorization.

202244040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001208224.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 202244040442 its reverse (244040442202), we get a palindrome (446284482644).

The spelling of 202244040442 in words is "two hundred two billion, two hundred forty-four million, forty thousand, four hundred forty-two".