200400404444 has 12 divisors (see below), whose sum is σ = 351807021384. Its totient is φ = 99884112624.

The previous prime is 200400404443. The next prime is 200400404453. The reversal of 200400404444 is 444404004002.

It is a happy number.

It is a super-3 number, since 3×200400404444³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200400404441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79020974 + ... + 79023509.

It is an arithmetic number, because the mean of its divisors is an integer number (29317251782).

Almost surely, 2^200400404444 is an apocalyptic number.

It is an amenable number.

200400404444 is a deficient number, since it is larger than the sum of its proper divisors (151406616940).

200400404444 is a wasteful number, since it uses less digits than its factorization.

200400404444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158044804 (or 158044802 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 200400404444 its reverse (444404004002), we get a palindrome (644804408446).

The spelling of 200400404444 in words is "two hundred billion, four hundred million, four hundred four thousand, four hundred forty-four".