201044401000 has 32 divisors (see below), whose sum is σ = 470443900680. Its totient is φ = 80417760000.

The previous prime is 201044400943. The next prime is 201044401013. The reversal of 201044401000 is 104440102.

It can be written as a sum of positive squares in 4 ways, for example, as 96732196324 + 104312204676 = 311018^2 + 322974^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100521201 + ... + 100523200.

Almost surely, 2^201044401000 is an apocalyptic number.

201044401000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201044401000 is an abundant number, since it is smaller than the sum of its proper divisors (269399499680).

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

201044401000 is a wasteful number, since it uses less digits than its factorization.

201044401000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201044422 (or 201044408 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201044401000 its reverse (104440102), we get a palindrome (201148841102).

The spelling of 201044401000 in words is "two hundred one billion, forty-four million, four hundred one thousand".