2018043340 has 12 divisors (see below), whose sum is σ = 4237891056. Its totient is φ = 807217328.

The previous prime is 2018043323. The next prime is 2018043343. The reversal of 2018043340 is 433408102.

It is not an unprimeable number, because it can be changed into a prime (2018043343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50451064 + ... + 50451103.

It is an arithmetic number, because the mean of its divisors is an integer number (353157588).

Almost surely, 2^2018043340 is an apocalyptic number.

2018043340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2018043340 is an abundant number, since it is smaller than the sum of its proper divisors (2219847716).

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

2018043340 is a wasteful number, since it uses less digits than its factorization.

2018043340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100902176 (or 100902174 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2018043340 is about 44922.6372778803. The cubic root of 2018043340 is about 1263.6985766799.

The spelling of 2018043340 in words is "two billion, eighteen million, forty-three thousand, three hundred forty".