118044540 has 144 divisors (see below), whose sum is σ = 376451712. Its totient is φ = 31046976.

The previous prime is 118044539. The next prime is 118044569. The reversal of 118044540 is 45440811.

It is a happy number.

118044540 is a `hidden beast` number, since 1 + 1 + 80 + 44 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 519907 + ... + 520133.

It is an arithmetic number, because the mean of its divisors is an integer number (2614248).

Almost surely, 2^118044540 is an apocalyptic number.

118044540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118044540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188225856).

118044540 is an abundant number, since it is smaller than the sum of its proper divisors (258407172).

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

118044540 is a wasteful number, since it uses less digits than its factorization.

118044540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 118044540 is about 10864.8304174525. The cubic root of 118044540 is about 490.5485180523.

The spelling of 118044540 in words is "one hundred eighteen million, forty-four thousand, five hundred forty".