1111442444 has 12 divisors (see below), whose sum is σ = 2222884944. Its totient is φ = 476332464.

The previous prime is 1111442369. The next prime is 1111442483. The reversal of 1111442444 is 4442441111.

1111442444 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19847159 + ... + 19847214.

It is an arithmetic number, because the mean of its divisors is an integer number (185240412).

Almost surely, 2^1111442444 is an apocalyptic number.

1111442444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1111442444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1111442444 is a wasteful number, since it uses less digits than its factorization.

1111442444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39694384 (or 39694382 counting only the distinct ones).

The product of its digits is 2048, while the sum is 26.

The square root of 1111442444 is about 33338.3029562094. The cubic root of 1111442444 is about 1035.8471112517.

Adding to 1111442444 its reverse (4442441111), we get a palindrome (5553883555).

The spelling of 1111442444 in words is "one billion, one hundred eleven million, four hundred forty-two thousand, four hundred forty-four".