1115436040 has 64 divisors (see below), whose sum is σ = 2713291200. Its totient is φ = 411257088.

The previous prime is 1115436031. The next prime is 1115436041. The reversal of 1115436040 is 406345111.

It is a junction number, because it is equal to n+sod(n) for n = 1115435996 and 1115436014.

It is not an unprimeable number, because it can be changed into a prime (1115436041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8287 + ... + 47953.

It is an arithmetic number, because the mean of its divisors is an integer number (42395175).

Almost surely, 2^1115436040 is an apocalyptic number.

1115436040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115436040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356645600).

1115436040 is an abundant number, since it is smaller than the sum of its proper divisors (1597855160).

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

1115436040 is a wasteful number, since it uses less digits than its factorization.

1115436040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39734 (or 39730 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1115436040 is about 33398.1442598238. The cubic root of 1115436040 is about 1037.0862847506.

The spelling of 1115436040 in words is "one billion, one hundred fifteen million, four hundred thirty-six thousand, forty".