4640221014 has 48 divisors (see below), whose sum is σ = 10985516976. Its totient is φ = 1297961280.

The previous prime is 4640221007. The next prime is 4640221049. The reversal of 4640221014 is 4101220464.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236389 + ... + 255264.

It is an arithmetic number, because the mean of its divisors is an integer number (228864937).

Almost surely, 2^4640221014 is an apocalyptic number.

4640221014 is an abundant number, since it is smaller than the sum of its proper divisors (6345295962).

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

4640221014 is a wasteful number, since it uses less digits than its factorization.

4640221014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491693 (or 491682 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 4640221014 is about 68119.1677430075. The cubic root of 4640221014 is about 1667.9366648081.

Adding to 4640221014 its reverse (4101220464), we get a palindrome (8741441478).

The spelling of 4640221014 in words is "four billion, six hundred forty million, two hundred twenty-one thousand, fourteen".