229680140 has 24 divisors (see below), whose sum is σ = 482630400. Its totient is φ = 91814528.

The previous prime is 229680137. The next prime is 229680169. The reversal of 229680140 is 41086922.

It is a junction number, because it is equal to n+sod(n) for n = 229680097 and 229680106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45461 + ... + 50259.

It is an arithmetic number, because the mean of its divisors is an integer number (20109600).

Almost surely, 2^229680140 is an apocalyptic number.

229680140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229680140 is an abundant number, since it is smaller than the sum of its proper divisors (252950260).

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

229680140 is a wasteful number, since it uses less digits than its factorization.

229680140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201 (or 7199 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 229680140 is about 15155.2017472550. The cubic root of 229680140 is about 612.4084127946.

The spelling of 229680140 in words is "two hundred twenty-nine million, six hundred eighty thousand, one hundred forty".