2740421218 has 16 divisors (see below), whose sum is σ = 4275190656. Its totient is φ = 1316402640.

The previous prime is 2740421213. The next prime is 2740421221. The reversal of 2740421218 is 8121240472.

It is a self number, because there is not a number n which added to its sum of digits gives 2740421218.

It is not an unprimeable number, because it can be changed into a prime (2740421213) 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, 255946 + ... + 266437.

It is an arithmetic number, because the mean of its divisors is an integer number (267199416).

Almost surely, 2^2740421218 is an apocalyptic number.

2740421218 is a deficient number, since it is larger than the sum of its proper divisors (1534769438).

2740421218 is a wasteful number, since it uses less digits than its factorization.

2740421218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522489.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 2740421218 is about 52349.0326367164. The cubic root of 2740421218 is about 1399.3910988148.

The spelling of 2740421218 in words is "two billion, seven hundred forty million, four hundred twenty-one thousand, two hundred eighteen".