4644940635 has 24 divisors (see below), whose sum is σ = 8247605184. Its totient is φ = 2416878720.

The previous prime is 4644940627. The next prime is 4644940649. The reversal of 4644940635 is 5360494464.

4644940635 is a `hidden beast` number, since 4 + 6 + 4 + 4 + 9 + 4 + 0 + 635 = 666.

It is not a de Polignac number, because 4644940635 - 2³ = 4644940627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1256947 + ... + 1260636.

It is an arithmetic number, because the mean of its divisors is an integer number (343650216).

Almost surely, 2^4644940635 is an apocalyptic number.

4644940635 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4644940635 is a deficient number, since it is larger than the sum of its proper divisors (3602664549).

4644940635 is a wasteful number, since it uses less digits than its factorization.

4644940635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517635 (or 2517632 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The square root of 4644940635 is about 68153.8013246510. The cubic root of 4644940635 is about 1668.5019655760.

The spelling of 4644940635 in words is "four billion, six hundred forty-four million, nine hundred forty thousand, six hundred thirty-five".