1115424444 has 24 divisors (see below), whose sum is σ = 2607107328. Its totient is φ = 371172400.

The previous prime is 1115424439. The next prime is 1115424449. The reversal of 1115424444 is 4444245111.

It is an interprime number because it is at equal distance from previous prime (1115424439) and next prime (1115424449).

It is a super-3 number, since 3×1115424444³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115424449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72132 + ... + 86219.

It is an arithmetic number, because the mean of its divisors is an integer number (108629472).

Almost surely, 2^1115424444 is an apocalyptic number.

It is an amenable number.

1115424444 is an abundant number, since it is smaller than the sum of its proper divisors (1491682884).

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

1115424444 is a wasteful number, since it uses less digits than its factorization.

1115424444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158945 (or 158943 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 1115424444 is about 33397.9706569127. The cubic root of 1115424444 is about 1037.0826909111.

Adding to 1115424444 its reverse (4444245111), we get a palindrome (5559669555).

The spelling of 1115424444 in words is "one billion, one hundred fifteen million, four hundred twenty-four thousand, four hundred forty-four".