118309857444 has 135 divisors (see below), whose sum is σ = 314101098003. Its totient is φ = 38831933952.

The previous prime is 118309857431. The next prime is 118309857493. The reversal of 118309857444 is 444758903811.

The square root of 118309857444 is 343962.

It is a perfect power (a square), and thus also a powerful number.

118309857444 is a `hidden beast` number, since 118 + 3 + 0 + 9 + 85 + 7 + 444 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 36811027044 + 81498830400 = 191862^2 + 285480^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 600557554 + ... + 600557750.

Almost surely, 2^118309857444 is an apocalyptic number.

118309857444 is the 343962-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118309857444

118309857444 is an abundant number, since it is smaller than the sum of its proper divisors (195791240559).

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

118309857444 is an frugal number, since it uses more digits than its factorization.

118309857444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 118309857444 in words is "one hundred eighteen billion, three hundred nine million, eight hundred fifty-seven thousand, four hundred forty-four".