118662840 has 64 divisors (see below), whose sum is σ = 395546400. Its totient is φ = 31643136.

The previous prime is 118662833. The next prime is 118662851. The reversal of 118662840 is 48266811.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 118662795 and 118662804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53857 + ... + 56016.

Almost surely, 2^118662840 is an apocalyptic number.

118662840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118662840 is an abundant number, since it is smaller than the sum of its proper divisors (276883560).

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

118662840 is a wasteful number, since it uses less digits than its factorization.

118662840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109893 (or 109883 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 118662840 is about 10893.2474496818. The cubic root of 118662840 is about 491.4035007749.

It can be divided in two parts, 11866 and 2840, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 118662840 in words is "one hundred eighteen million, six hundred sixty-two thousand, eight hundred forty".