1118586940 has 24 divisors (see below), whose sum is σ = 2357524512. Its totient is φ = 445817280.

The previous prime is 1118586929. The next prime is 1118586947. The reversal of 1118586940 is 496858111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118586947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95416 + ... + 106495.

It is an arithmetic number, because the mean of its divisors is an integer number (98230188).

Almost surely, 2^1118586940 is an apocalyptic number.

1118586940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1118586940 is an abundant number, since it is smaller than the sum of its proper divisors (1238937572).

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

1118586940 is a wasteful number, since it uses less digits than its factorization.

1118586940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202197 (or 202195 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 43.

The square root of 1118586940 is about 33445.2827764993. The cubic root of 1118586940 is about 1038.0618921791.

The spelling of 1118586940 in words is "one billion, one hundred eighteen million, five hundred eighty-six thousand, nine hundred forty".