4406218140 has 24 divisors (see below), whose sum is σ = 12337410960. Its totient is φ = 1174991488.

The previous prime is 4406218133. The next prime is 4406218147. The reversal of 4406218140 is 418126044.

It is an interprime number because it is at equal distance from previous prime (4406218133) and next prime (4406218147).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4406218098 and 4406218107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4406218147) 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, 36718425 + ... + 36718544.

It is an arithmetic number, because the mean of its divisors is an integer number (514058790).

Almost surely, 2^4406218140 is an apocalyptic number.

It is an amenable number.

4406218140 is an abundant number, since it is smaller than the sum of its proper divisors (7931192820).

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

4406218140 is a wasteful number, since it uses less digits than its factorization.

4406218140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73436981 (or 73436979 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 4406218140 is about 66379.3502529213. The cubic root of 4406218140 is about 1639.4140951866.

The spelling of 4406218140 in words is "four billion, four hundred six million, two hundred eighteen thousand, one hundred forty".