2400020218 has 8 divisors (see below), whose sum is σ = 3601455840. Its totient is φ = 1199534940.

The previous prime is 2400020213. The next prime is 2400020257. The reversal of 2400020218 is 8120200042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2400020195 and 2400020204.

It is not an unprimeable number, because it can be changed into a prime (2400020213) 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, 231238 + ... + 241393.

It is an arithmetic number, because the mean of its divisors is an integer number (450181980).

Almost surely, 2^2400020218 is an apocalyptic number.

2400020218 is a deficient number, since it is larger than the sum of its proper divisors (1201435622).

2400020218 is a wasteful number, since it uses less digits than its factorization.

2400020218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475172.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2400020218 is about 48990.0012043274. The cubic root of 2400020218 is about 1338.8696597636.

The spelling of 2400020218 in words is "two billion, four hundred million, twenty thousand, two hundred eighteen".