3421240218 has 96 divisors (see below), whose sum is σ = 8303929920. Its totient is φ = 1009048320.

The previous prime is 3421240217. The next prime is 3421240219. The reversal of 3421240218 is 8120421243.

3421240218 is a `hidden beast` number, since 3 + 421 + 24 + 0 + 218 = 666.

It is an interprime number because it is at equal distance from previous prime (3421240217) and next prime (3421240219).

It is a junction number, because it is equal to n+sod(n) for n = 3421240191 and 3421240200.

It is not an unprimeable number, because it can be changed into a prime (3421240217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3311430 + ... + 3312462.

It is an arithmetic number, because the mean of its divisors is an integer number (86499270).

Almost surely, 2^3421240218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3421240218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4151964960).

3421240218 is an abundant number, since it is smaller than the sum of its proper divisors (4882689702).

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

3421240218 is a wasteful number, since it uses less digits than its factorization.

3421240218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 3421240218 is about 58491.3687478760. The cubic root of 3421240218 is about 1506.8193532990.

The spelling of 3421240218 in words is "three billion, four hundred twenty-one million, two hundred forty thousand, two hundred eighteen".