1124440440 has 32 divisors (see below), whose sum is σ = 3373321680. Its totient is φ = 299850752.

The previous prime is 1124440439. The next prime is 1124440441. The reversal of 1124440440 is 440444211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1124440439) and next prime (1124440441).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1124440440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124440441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4685049 + ... + 4685288.

Almost surely, 2^1124440440 is an apocalyptic number.

1124440440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124440440 is an abundant number, since it is smaller than the sum of its proper divisors (2248881240).

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

1124440440 is a wasteful number, since it uses less digits than its factorization.

1124440440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370351 (or 9370347 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1124440440 is about 33532.6771970268. The cubic root of 1124440440 is about 1039.8694486027.

Adding to 1124440440 its reverse (440444211), we get a palindrome (1564884651).

The spelling of 1124440440 in words is "one billion, one hundred twenty-four million, four hundred forty thousand, four hundred forty".