1130885440 has 28 divisors (see below), whose sum is σ = 2692921716. Its totient is φ = 452354048.

The previous prime is 1130885401. The next prime is 1130885443. The reversal of 1130885440 is 445880311.

It can be written as a sum of positive squares in 2 ways, for example, as 843786304 + 287099136 = 29048^2 + 16944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1130885396 and 1130885405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130885443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1766689 + ... + 1767328.

Almost surely, 2^1130885440 is an apocalyptic number.

1130885440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130885440 is an abundant number, since it is smaller than the sum of its proper divisors (1562036276).

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

1130885440 is an equidigital number, since it uses as much as digits as its factorization.

1130885440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534034 (or 3534024 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 1130885440 is about 33628.6401747082. The cubic root of 1130885440 is about 1041.8524184869.

The spelling of 1130885440 in words is "one billion, one hundred thirty million, eight hundred eighty-five thousand, four hundred forty".