1112211440 has 40 divisors (see below), whose sum is σ = 2588212320. Its totient is φ = 444485376.

The previous prime is 1112211439. The next prime is 1112211449. The reversal of 1112211440 is 441122111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112211449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93341 + ... + 104579.

It is an arithmetic number, because the mean of its divisors is an integer number (64705308).

Almost surely, 2^1112211440 is an apocalyptic number.

1112211440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112211440 is an abundant number, since it is smaller than the sum of its proper divisors (1476000880).

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

1112211440 is a wasteful number, since it uses less digits than its factorization.

1112211440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12489 (or 12483 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1112211440 is about 33349.8341824963. The cubic root of 1112211440 is about 1036.0859536224.

Adding to 1112211440 its reverse (441122111), we get a palindrome (1553333551).

The spelling of 1112211440 in words is "one billion, one hundred twelve million, two hundred eleven thousand, four hundred forty".