118855540 has 12 divisors (see below), whose sum is σ = 249596676. Its totient is φ = 47542208.

The previous prime is 118855531. The next prime is 118855553. The reversal of 118855540 is 45558811.

It can be written as a sum of positive squares in 2 ways, for example, as 42328036 + 76527504 = 6506^2 + 8748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 118855540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2971369 + ... + 2971408.

It is an arithmetic number, because the mean of its divisors is an integer number (20799723).

Almost surely, 2^118855540 is an apocalyptic number.

118855540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118855540 is an abundant number, since it is smaller than the sum of its proper divisors (130741136).

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

118855540 is a wasteful number, since it uses less digits than its factorization.

118855540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942786 (or 5942784 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 37.

The square root of 118855540 is about 10902.0887906859. The cubic root of 118855540 is about 491.6693583433.

The spelling of 118855540 in words is "one hundred eighteen million, eight hundred fifty-five thousand, five hundred forty".