200401021442 has 8 divisors (see below), whose sum is σ = 301407435516. Its totient is φ = 99931876272.

The previous prime is 200401021427. The next prime is 200401021517. The reversal of 200401021442 is 244120104002.

It can be written as a sum of positive squares in 2 ways, for example, as 200355607321 + 45414121 = 447611^2 + 6739^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134316293 + ... + 134317784.

Almost surely, 2^200401021442 is an apocalyptic number.

200401021442 is a deficient number, since it is larger than the sum of its proper divisors (101006414074).

200401021442 is a wasteful number, since it uses less digits than its factorization.

200401021442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268634452.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 200401021442 its reverse (244120104002), we get a palindrome (444521125444).

The spelling of 200401021442 in words is "two hundred billion, four hundred one million, twenty-one thousand, four hundred forty-two".