4640884445 has 4 divisors (see below), whose sum is σ = 5569061340. Its totient is φ = 3712707552.

The previous prime is 4640884429. The next prime is 4640884477. The reversal of 4640884445 is 5444880464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 618914884 + 4021969561 = 24878^2 + 63419^2 .

It is a cyclic number.

It is not a de Polignac number, because 4640884445 - 2⁴ = 4640884429 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4640884445.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 464088440 + ... + 464088449.

It is an arithmetic number, because the mean of its divisors is an integer number (1392265335).

Almost surely, 2^4640884445 is an apocalyptic number.

It is an amenable number.

4640884445 is a deficient number, since it is larger than the sum of its proper divisors (928176895).

4640884445 is an equidigital number, since it uses as much as digits as its factorization.

4640884445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928176894.

The product of its (nonzero) digits is 1966080, while the sum is 47.

The square root of 4640884445 is about 68124.0372042057. The cubic root of 4640884445 is about 1668.0161515505.

The spelling of 4640884445 in words is "four billion, six hundred forty million, eight hundred eighty-four thousand, four hundred forty-five".