201403444 has 24 divisors (see below), whose sum is σ = 385616448. Its totient is φ = 91280640.

The previous prime is 201403427. The next prime is 201403457. The reversal of 201403444 is 444304102.

201403444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201403444² = 81126694510122272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 9049 + ... + 22015.

It is an arithmetic number, because the mean of its divisors is an integer number (16067352).

Almost surely, 2^201403444 is an apocalyptic number.

It is an amenable number.

201403444 is a deficient number, since it is larger than the sum of its proper divisors (184213004).

201403444 is a wasteful number, since it uses less digits than its factorization.

201403444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13335 (or 13333 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 201403444 is about 14191.6681190056. The cubic root of 201403444 is about 586.1682588270.

Adding to 201403444 its reverse (444304102), we get a palindrome (645707546).

The spelling of 201403444 in words is "two hundred one million, four hundred three thousand, four hundred forty-four".