5644884465 has 128 divisors (see below), whose sum is σ = 11409776640. Its totient is φ = 2623622400.

The previous prime is 5644884389. The next prime is 5644884521.

5644884465 is a `hidden beast` number, since 5 + 64 + 48 + 84 + 465 = 666.

5644884465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5644884465 - 2⁷ = 5644884337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3900372 + ... + 3901818.

It is an arithmetic number, because the mean of its divisors is an integer number (89138880).

Almost surely, 2^5644884465 is an apocalyptic number.

5644884465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5644884465 is an abundant number, since it is smaller than the sum of its proper divisors (5764892175).

5644884465 is a wasteful number, since it uses less digits than its factorization.

5644884465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1574 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 54.

The square root of 5644884465 is about 75132.4461534429. The cubic root of 5644884465 is about 1780.5398001989.

The spelling of 5644884465 in words is "five billion, six hundred forty-four million, eight hundred eighty-four thousand, four hundred sixty-five".