3640241218 has 8 divisors (see below), whose sum is σ = 5463323712. Its totient is φ = 1819133316.

The previous prime is 3640241173. The next prime is 3640241219. The reversal of 3640241218 is 8121420463.

3640241218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×3640241218² = 26502712250452247048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3640241218.

It is not an unprimeable number, because it can be changed into a prime (3640241219) 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, 489030 + ... + 496417.

It is an arithmetic number, because the mean of its divisors is an integer number (682915464).

Almost surely, 2^3640241218 is an apocalyptic number.

3640241218 is a deficient number, since it is larger than the sum of its proper divisors (1823082494).

3640241218 is a wasteful number, since it uses less digits than its factorization.

3640241218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987296.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 3640241218 is about 60334.4115575846. The cubic root of 3640241218 is about 1538.3083152496.

The spelling of 3640241218 in words is "three billion, six hundred forty million, two hundred forty-one thousand, two hundred eighteen".