8406144465 has 8 divisors (see below), whose sum is σ = 13449831168. Its totient is φ = 4483277040.

The previous prime is 8406144463. The next prime is 8406144491. The reversal of 8406144465 is 5644416048.

It is a happy number.

8406144465 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8406144465 - 2¹ = 8406144463 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8406144463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280204801 + ... + 280204830.

It is an arithmetic number, because the mean of its divisors is an integer number (1681228896).

Almost surely, 2^8406144465 is an apocalyptic number.

It is an amenable number.

8406144465 is a deficient number, since it is larger than the sum of its proper divisors (5043686703).

8406144465 is a wasteful number, since it uses less digits than its factorization.

8406144465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560409639.

The product of its (nonzero) digits is 368640, while the sum is 42.

The square root of 8406144465 is about 91685.0285760985. The cubic root of 8406144465 is about 2033.2882445584.

The spelling of 8406144465 in words is "eight billion, four hundred six million, one hundred forty-four thousand, four hundred sixty-five".