4478465465 has 16 divisors (see below), whose sum is σ = 5829077520. Its totient is φ = 3289774080.

The previous prime is 4478465461. The next prime is 4478465477. The reversal of 4478465465 is 5645648744.

It can be written as a sum of positive squares in 8 ways, for example, as 1359913129 + 3118552336 = 36877^2 + 55844^2 .

It is not a de Polignac number, because 4478465465 - 2² = 4478465461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4478465461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639050 + ... + 646019.

It is an arithmetic number, because the mean of its divisors is an integer number (364317345).

Almost surely, 2^4478465465 is an apocalyptic number.

It is an amenable number.

4478465465 is a deficient number, since it is larger than the sum of its proper divisors (1350612055).

4478465465 is a wasteful number, since it uses less digits than its factorization.

4478465465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285132.

The product of its digits is 12902400, while the sum is 53.

The square root of 4478465465 is about 66921.3378900930. The cubic root of 4478465465 is about 1648.3258765080.

The spelling of 4478465465 in words is "four billion, four hundred seventy-eight million, four hundred sixty-five thousand, four hundred sixty-five".