4640218101 has 12 divisors (see below), whose sum is σ = 6761853228. Its totient is φ = 3066102144.

The previous prime is 4640218081. The next prime is 4640218127. The reversal of 4640218101 is 1018120464.

It is a happy number.

4640218101 is a `hidden beast` number, since 4 + 640 + 2 + 1 + 8 + 10 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2026350225 + 2613867876 = 45015^2 + 51126^2 .

It is not a de Polignac number, because 4640218101 - 2⁷ = 4640217973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640218001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2280310 + ... + 2282343.

It is an arithmetic number, because the mean of its divisors is an integer number (563487769).

Almost surely, 2^4640218101 is an apocalyptic number.

It is an amenable number.

4640218101 is a deficient number, since it is larger than the sum of its proper divisors (2121635127).

4640218101 is a wasteful number, since it uses less digits than its factorization.

4640218101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562772 (or 4562769 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 4640218101 is about 68119.1463613572. The cubic root of 4640218101 is about 1667.9363157802.

Adding to 4640218101 its reverse (1018120464), we get a palindrome (5658338565).

The spelling of 4640218101 in words is "four billion, six hundred forty million, two hundred eighteen thousand, one hundred one".