5644531456 has 18 divisors (see below), whose sum is σ = 11267014472. Its totient is φ = 2822265600.

The previous prime is 5644531447. The next prime is 5644531463. The reversal of 5644531456 is 6541354465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11024220 + ... + 11024731.

Almost surely, 2^5644531456 is an apocalyptic number.

It is an amenable number.

5644531456 is a deficient number, since it is larger than the sum of its proper divisors (5622483016).

5644531456 is an equidigital number, since it uses as much as digits as its factorization.

5644531456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22048967 (or 22048953 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The square root of 5644531456 is about 75130.0968720259. The cubic root of 5644531456 is about 1780.5026834264.

The spelling of 5644531456 in words is "five billion, six hundred forty-four million, five hundred thirty-one thousand, four hundred fifty-six".