1118462890 has 16 divisors (see below), whose sum is σ = 2033168040. Its totient is φ = 442955200.

The previous prime is 1118462887. The next prime is 1118462909. The reversal of 1118462890 is 982648111.

It can be written as a sum of positive squares in 4 ways, for example, as 1069224601 + 49238289 = 32699^2 + 7017^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552685 + ... + 554704.

Almost surely, 2^1118462890 is an apocalyptic number.

1118462890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1118462890 is a deficient number, since it is larger than the sum of its proper divisors (914705150).

1118462890 is a wasteful number, since it uses less digits than its factorization.

1118462890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107497.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 1118462890 is about 33443.4282034602. The cubic root of 1118462890 is about 1038.0235174721.

The spelling of 1118462890 in words is "one billion, one hundred eighteen million, four hundred sixty-two thousand, eight hundred ninety".