1116583440 has 80 divisors (see below), whose sum is σ = 3955901568. Its totient is φ = 255218688.

The previous prime is 1116583439. The next prime is 1116583493. The reversal of 1116583440 is 443856111.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330637 + ... + 333996.

Almost surely, 2^1116583440 is an apocalyptic number.

1116583440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116583440 is an abundant number, since it is smaller than the sum of its proper divisors (2839318128).

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

1116583440 is a wasteful number, since it uses less digits than its factorization.

1116583440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664656 (or 664650 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1116583440 is about 33415.3174457463. The cubic root of 1116583440 is about 1037.4417645737.

The spelling of 1116583440 in words is "one billion, one hundred sixteen million, five hundred eighty-three thousand, four hundred forty".