118239240 has 64 divisors (see below), whose sum is σ = 405394560. Its totient is φ = 27025920.

The previous prime is 118239229. The next prime is 118239257. The reversal of 118239240 is 42932811.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 118239198 and 118239207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69541 + ... + 71220.

It is an arithmetic number, because the mean of its divisors is an integer number (6334290).

Almost surely, 2^118239240 is an apocalyptic number.

118239240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118239240 is an abundant number, since it is smaller than the sum of its proper divisors (287155320).

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

118239240 is a wasteful number, since it uses less digits than its factorization.

118239240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140782 (or 140778 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 118239240 is about 10873.7868288835. The cubic root of 118239240 is about 490.8180697937.

The spelling of 118239240 in words is "one hundred eighteen million, two hundred thirty-nine thousand, two hundred forty".