118589840 has 40 divisors (see below), whose sum is σ = 287713728. Its totient is φ = 45372800.

The previous prime is 118589837. The next prime is 118589869. The reversal of 118589840 is 48985811.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 118589791 and 118589800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30386 + ... + 34065.

Almost surely, 2^118589840 is an apocalyptic number.

118589840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118589840 is an abundant number, since it is smaller than the sum of its proper divisors (169123888).

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

118589840 is a wasteful number, since it uses less digits than its factorization.

118589840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64487 (or 64481 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 44.

The square root of 118589840 is about 10889.8962345837. The cubic root of 118589840 is about 491.3027115298.

The spelling of 118589840 in words is "one hundred eighteen million, five hundred eighty-nine thousand, eight hundred forty".