118082840 has 32 divisors (see below), whose sum is σ = 267392880. Its totient is φ = 46929792.

The previous prime is 118082831. The next prime is 118082843. The reversal of 118082840 is 48280811.

It is a junction number, because it is equal to n+sod(n) for n = 118082797 and 118082806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118082843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3122 + ... + 15681.

Almost surely, 2^118082840 is an apocalyptic number.

118082840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118082840 is an abundant number, since it is smaller than the sum of its proper divisors (149310040).

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

118082840 is a wasteful number, since it uses less digits than its factorization.

118082840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18971 (or 18967 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 118082840 is about 10866.5928422850. The cubic root of 118082840 is about 490.6015657597.

The spelling of 118082840 in words is "one hundred eighteen million, eighty-two thousand, eight hundred forty".