118657448 has 64 divisors (see below), whose sum is σ = 275184000. Its totient is φ = 46708992.

The previous prime is 118657439. The next prime is 118657453. The reversal of 118657448 is 844756811.

It is a Cunningham number, because it is equal to 10893²-1.

It is a junction number, because it is equal to n+sod(n) for n = 118657399 and 118657408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282983 + ... + 283401.

It is an arithmetic number, because the mean of its divisors is an integer number (4299750).

Almost surely, 2^118657448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118657448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137592000).

118657448 is an abundant number, since it is smaller than the sum of its proper divisors (156526552).

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

118657448 is a wasteful number, since it uses less digits than its factorization.

118657448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 830 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 118657448 is about 10892.9999540990. Note that the first 4 decimals coincide. The cubic root of 118657448 is about 491.3960575916.

The spelling of 118657448 in words is "one hundred eighteen million, six hundred fifty-seven thousand, four hundred forty-eight".