118266440 has 32 divisors (see below), whose sum is σ = 266787000. Its totient is φ = 47184384.

The previous prime is 118266439. The next prime is 118266481. The reversal of 118266440 is 44662811.

It can be written as a sum of positive squares in 4 ways, for example, as 115648516 + 2617924 = 10754^2 + 1618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 118266397 and 118266406.

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 7 ways as a sum of consecutive naturals, for example, 12746 + ... + 19974.

Almost surely, 2^118266440 is an apocalyptic number.

118266440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118266440 is an abundant number, since it is smaller than the sum of its proper divisors (148520560).

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

118266440 is a wasteful number, since it uses less digits than its factorization.

118266440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649 (or 7645 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 118266440 is about 10875.0374711998. The cubic root of 118266440 is about 490.8557031770.

The spelling of 118266440 in words is "one hundred eighteen million, two hundred sixty-six thousand, four hundred forty".