1118042650 has 48 divisors (see below), whose sum is σ = 2284228800. Its totient is φ = 405250560.

The previous prime is 1118042647. The next prime is 1118042671. The reversal of 1118042650 is 562408111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3735 + ... + 47434.

It is an arithmetic number, because the mean of its divisors is an integer number (47588100).

Almost surely, 2^1118042650 is an apocalyptic number.

1118042650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1118042650 is an abundant number, since it is smaller than the sum of its proper divisors (1166186150).

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

1118042650 is a wasteful number, since it uses less digits than its factorization.

1118042650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51223 (or 51218 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1118042650 is about 33437.1447644682. The cubic root of 1118042650 is about 1037.8934956801.

The spelling of 1118042650 in words is "one billion, one hundred eighteen million, forty-two thousand, six hundred fifty".