4640440322 has 32 divisors (see below), whose sum is σ = 8177524608. Its totient is φ = 1933238016.

The previous prime is 4640440297. The next prime is 4640440333. The reversal of 4640440322 is 2230440464.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668393 + ... + 675299.

It is an arithmetic number, because the mean of its divisors is an integer number (255547644).

Almost surely, 2^4640440322 is an apocalyptic number.

4640440322 is a deficient number, since it is larger than the sum of its proper divisors (3537084286).

4640440322 is a wasteful number, since it uses less digits than its factorization.

4640440322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8250.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 4640440322 is about 68120.7774617994. Note that the first 3 decimals coincide. The cubic root of 4640440322 is about 1667.9629412930.

Adding to 4640440322 its reverse (2230440464), we get a palindrome (6870880786).

The spelling of 4640440322 in words is "four billion, six hundred forty million, four hundred forty thousand, three hundred twenty-two".