1113534444 has 144 divisors (see below), whose sum is σ = 3036400640. Its totient is φ = 316483200.

The previous prime is 1113534427. The next prime is 1113534449. The reversal of 1113534444 is 4444353111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113534449) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4993317 + ... + 4993539.

Almost surely, 2^1113534444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113534444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518200320).

1113534444 is an abundant number, since it is smaller than the sum of its proper divisors (1922866196).

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

1113534444 is a wasteful number, since it uses less digits than its factorization.

1113534444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 439 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 1113534444 is about 33369.6635284205. The cubic root of 1113534444 is about 1036.4966077655.

Adding to 1113534444 its reverse (4444353111), we get a palindrome (5557887555).

The spelling of 1113534444 in words is "one billion, one hundred thirteen million, five hundred thirty-four thousand, four hundred forty-four".