118240580 has 12 divisors (see below), whose sum is σ = 248305260. Its totient is φ = 47296224.

The previous prime is 118240561. The next prime is 118240613. The reversal of 118240580 is 85042811.

It can be written as a sum of positive squares in 2 ways, for example, as 71098624 + 47141956 = 8432^2 + 6866^2 .

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 3 ways as a sum of consecutive naturals, for example, 2955995 + ... + 2956034.

It is an arithmetic number, because the mean of its divisors is an integer number (20692105).

Almost surely, 2^118240580 is an apocalyptic number.

118240580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118240580 is an abundant number, since it is smaller than the sum of its proper divisors (130064680).

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

118240580 is a wasteful number, since it uses less digits than its factorization.

118240580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912038 (or 5912036 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 118240580 is about 10873.8484447780. The cubic root of 118240580 is about 490.8199239264.

It can be divided in two parts, 11 and 8240580, that multiplied together give a triangular number (90646380 = T₁₃₄₆₄).

The spelling of 118240580 in words is "one hundred eighteen million, two hundred forty thousand, five hundred eighty".