5644456405 has 8 divisors (see below), whose sum is σ = 7740968832. Its totient is φ = 3870484368.

The previous prime is 5644456397. The next prime is 5644456457. The reversal of 5644456405 is 5046544465.

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

It is a cyclic number.

It is not a de Polignac number, because 5644456405 - 2³ = 5644456397 is a prime.

It is a super-3 number, since 3×5644456405³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 80635057 + ... + 80635126.

It is an arithmetic number, because the mean of its divisors is an integer number (967621104).

Almost surely, 2^5644456405 is an apocalyptic number.

It is an amenable number.

5644456405 is a deficient number, since it is larger than the sum of its proper divisors (2096512427).

5644456405 is a wasteful number, since it uses less digits than its factorization.

5644456405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161270195.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The square root of 5644456405 is about 75129.5973967650. The cubic root of 5644456405 is about 1780.4947920659.

The spelling of 5644456405 in words is "five billion, six hundred forty-four million, four hundred fifty-six thousand, four hundred five".