1128440718 has 24 divisors (see below), whose sum is σ = 2445922128. Its totient is φ = 375998112.

The previous prime is 1128440683. The next prime is 1128440741. The reversal of 1128440718 is 8170448211.

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 11 ways as a sum of consecutive naturals, for example, 40455 + ... + 62397.

It is an arithmetic number, because the mean of its divisors is an integer number (101913422).

Almost surely, 2^1128440718 is an apocalyptic number.

1128440718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1128440718 is an abundant number, since it is smaller than the sum of its proper divisors (1317481410).

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

1128440718 is a wasteful number, since it uses less digits than its factorization.

1128440718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24808 (or 24805 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 1128440718 is about 33592.2717004968. The cubic root of 1128440718 is about 1041.1011260268.

Adding to 1128440718 its reverse (8170448211), we get a palindrome (9298888929).

The spelling of 1128440718 in words is "one billion, one hundred twenty-eight million, four hundred forty thousand, seven hundred eighteen".