5644240424465 has 32 divisors (see below), whose sum is σ = 6938619601536. Its totient is φ = 4406342814720.

The previous prime is 5644240424447. The next prime is 5644240424479.

It is a happy number.

5644240424465 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-5644240424465 is a prime.

It is a super-3 number, since 3×5644240424465³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 74650130 + ... + 74725700.

It is an arithmetic number, because the mean of its divisors is an integer number (216831862548).

Almost surely, 2^{5644240424465} is an apocalyptic number.

It is an amenable number.

5644240424465 is a deficient number, since it is larger than the sum of its proper divisors (1294379177071).

5644240424465 is a wasteful number, since it uses less digits than its factorization.

5644240424465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77729.

The product of its (nonzero) digits is 14745600, while the sum is 50.

The spelling of 5644240424465 in words is "five trillion, six hundred forty-four billion, two hundred forty million, four hundred twenty-four thousand, four hundred sixty-five".