11404203444 has 18 divisors (see below), whose sum is σ = 28827292130. Its totient is φ = 3801401136.

The previous prime is 11404203439. The next prime is 11404203479. The reversal of 11404203444 is 44430240411.

11404203444 is a `hidden beast` number, since 1 + 14 + 0 + 4 + 203 + 444 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8421732900 + 2982470544 = 91770^2 + 54612^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×11404203444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158391679 + ... + 158391750.

Almost surely, 2^11404203444 is an apocalyptic number.

It is an amenable number.

11404203444 is an abundant number, since it is smaller than the sum of its proper divisors (17423088686).

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

11404203444 is a wasteful number, since it uses less digits than its factorization.

11404203444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316783439 (or 316783434 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 11404203444 its reverse (44430240411), we get a palindrome (55834443855).

The spelling of 11404203444 in words is "eleven billion, four hundred four million, two hundred three thousand, four hundred forty-four".