1120544440 has 16 divisors (see below), whose sum is σ = 2521225080. Its totient is φ = 448217760.

The previous prime is 1120544431. The next prime is 1120544501. The reversal of 1120544440 is 444450211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14006766 + ... + 14006845.

Almost surely, 2^1120544440 is an apocalyptic number.

1120544440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120544440 is an abundant number, since it is smaller than the sum of its proper divisors (1400680640).

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

1120544440 is a wasteful number, since it uses less digits than its factorization.

1120544440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28013622 (or 28013618 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1120544440 is about 33474.5342013896. The cubic root of 1120544440 is about 1038.6670670093.

Adding to 1120544440 its reverse (444450211), we get a palindrome (1564994651).

The spelling of 1120544440 in words is "one billion, one hundred twenty million, five hundred forty-four thousand, four hundred forty".