4640445469 has 24 divisors (see below), whose sum is σ = 5285952000. Its totient is φ = 4065858720.

The previous prime is 4640445437. The next prime is 4640445479. The reversal of 4640445469 is 9645440464.

It is not a de Polignac number, because 4640445469 - 2⁵ = 4640445437 is a prime.

It is a super-2 number, since 2×4640445469² = 43067468301525259922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640445479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3224052 + ... + 3225490.

It is an arithmetic number, because the mean of its divisors is an integer number (220248000).

Almost surely, 2^4640445469 is an apocalyptic number.

It is an amenable number.

4640445469 is a deficient number, since it is larger than the sum of its proper divisors (645506531).

4640445469 is a wasteful number, since it uses less digits than its factorization.

4640445469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2398 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The square root of 4640445469 is about 68120.8152402773. The cubic root of 4640445469 is about 1667.9635579731.

The spelling of 4640445469 in words is "four billion, six hundred forty million, four hundred forty-five thousand, four hundred sixty-nine".