4640440244 has 24 divisors (see below), whose sum is σ = 8869778400. Its totient is φ = 2106730080.

The previous prime is 4640440193. The next prime is 4640440247. The reversal of 4640440244 is 4420440464.

It is a self number, because there is not a number n which added to its sum of digits gives 4640440244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640440247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27134 + ... + 100085.

It is an arithmetic number, because the mean of its divisors is an integer number (369574100).

Almost surely, 2^4640440244 is an apocalyptic number.

4640440244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4640440244 is a deficient number, since it is larger than the sum of its proper divisors (4229338156).

4640440244 is a wasteful number, since it uses less digits than its factorization.

4640440244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128063 (or 128061 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

The square root of 4640440244 is about 68120.7768892869. The cubic root of 4640440244 is about 1667.9629319475.

The spelling of 4640440244 in words is "four billion, six hundred forty million, four hundred forty thousand, two hundred forty-four".