1111041440 has 24 divisors (see below), whose sum is σ = 2624835780. Its totient is φ = 444416512.

The previous prime is 1111041431. The next prime is 1111041479. The reversal of 1111041440 is 441401111.

It can be written as a sum of positive squares in 2 ways, for example, as 1006919824 + 104121616 = 31732^2 + 10204^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3471845 + ... + 3472164.

Almost surely, 2^1111041440 is an apocalyptic number.

1111041440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111041440 is an abundant number, since it is smaller than the sum of its proper divisors (1513794340).

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

1111041440 is an equidigital number, since it uses as much as digits as its factorization.

1111041440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944024 (or 6944016 counting only the distinct ones).

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

The square root of 1111041440 is about 33332.2882502837. The cubic root of 1111041440 is about 1035.7225197647.

Adding to 1111041440 its reverse (441401111), we get a palindrome (1552442551).

The spelling of 1111041440 in words is "one billion, one hundred eleven million, forty-one thousand, four hundred forty".