118985650 has 24 divisors (see below), whose sum is σ = 252930240. Its totient is φ = 40794960.

The previous prime is 118985641. The next prime is 118985653. The reversal of 118985650 is 56589811.

It is a junction number, because it is equal to n+sod(n) for n = 118985597 and 118985606.

It is not an unprimeable number, because it can be changed into a prime (118985653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169630 + ... + 170329.

It is an arithmetic number, because the mean of its divisors is an integer number (10538760).

Almost surely, 2^118985650 is an apocalyptic number.

118985650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118985650 is an abundant number, since it is smaller than the sum of its proper divisors (133944590).

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

118985650 is a wasteful number, since it uses less digits than its factorization.

118985650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339978 (or 339973 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 43.

The square root of 118985650 is about 10908.0543636342. The cubic root of 118985650 is about 491.8487014674.

The spelling of 118985650 in words is "one hundred eighteen million, nine hundred eighty-five thousand, six hundred fifty".