1113668440 has 32 divisors (see below), whose sum is σ = 2592162000. Its totient is φ = 430105984.

The previous prime is 1113668407. The next prime is 1113668477. The reversal of 1113668440 is 448663111.

It is a junction number, because it is equal to n+sod(n) for n = 1113668396 and 1113668405.

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 7 ways as a sum of consecutive naturals, for example, 478870 + ... + 481189.

Almost surely, 2^1113668440 is an apocalyptic number.

1113668440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113668440 is an abundant number, since it is smaller than the sum of its proper divisors (1478493560).

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

1113668440 is a wasteful number, since it uses less digits than its factorization.

1113668440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960099 (or 960095 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1113668440 is about 33371.6712197636. The cubic root of 1113668440 is about 1036.5381813422.

The spelling of 1113668440 in words is "one billion, one hundred thirteen million, six hundred sixty-eight thousand, four hundred forty".