1118439492 has 48 divisors (see below), whose sum is σ = 2789603712. Its totient is φ = 347902720.

The previous prime is 1118439479. The next prime is 1118439521. The reversal of 1118439492 is 2949348111.

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, 38103 + ... + 60734.

It is an arithmetic number, because the mean of its divisors is an integer number (58116744).

Almost surely, 2^1118439492 is an apocalyptic number.

1118439492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1118439492 is an abundant number, since it is smaller than the sum of its proper divisors (1671164220).

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

1118439492 is a wasteful number, since it uses less digits than its factorization.

1118439492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98908 (or 98906 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 1118439492 is about 33443.0783870146. The cubic root of 1118439492 is about 1038.0162790130.

The spelling of 1118439492 in words is "one billion, one hundred eighteen million, four hundred thirty-nine thousand, four hundred ninety-two".