1115403444 has 36 divisors (see below), whose sum is σ = 2872694916. Its totient is φ = 364785408.

The previous prime is 1115403403. The next prime is 1115403463. The reversal of 1115403444 is 4443045111.

1115403444 is a `hidden beast` number, since 111 + 540 + 3 + 4 + 4 + 4 = 666.

1115403444 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 285272100 + 830131344 = 16890^2 + 28812^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1115403444² = 2488249685774122272, which 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 11 ways as a sum of consecutive naturals, for example, 290389 + ... + 294204.

It is an arithmetic number, because the mean of its divisors is an integer number (79797081).

Almost surely, 2^1115403444 is an apocalyptic number.

It is an amenable number.

1115403444 is an abundant number, since it is smaller than the sum of its proper divisors (1757291472).

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

1115403444 is a wasteful number, since it uses less digits than its factorization.

1115403444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584656 (or 584651 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1115403444 is about 33397.6562650735. The cubic root of 1115403444 is about 1037.0761825147.

Adding to 1115403444 its reverse (4443045111), we get a palindrome (5558448555).

The spelling of 1115403444 in words is "one billion, one hundred fifteen million, four hundred three thousand, four hundred forty-four".