5645216244 has 96 divisors (see below), whose sum is σ = 13752668160. Its totient is φ = 1800741888.

The previous prime is 5645216191. The next prime is 5645216261. The reversal of 5645216244 is 4426125465.

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 31 ways as a sum of consecutive naturals, for example, 14739277 + ... + 14739659.

It is an arithmetic number, because the mean of its divisors is an integer number (143256960).

Almost surely, 2^5645216244 is an apocalyptic number.

It is an amenable number.

5645216244 is an abundant number, since it is smaller than the sum of its proper divisors (8107451916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5645216244 is a wasteful number, since it uses less digits than its factorization.

5645216244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 887 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 5645216244 is about 75134.6540818549. The cubic root of 5645216244 is about 1780.5746833540.

The spelling of 5645216244 in words is "five billion, six hundred forty-five million, two hundred sixteen thousand, two hundred forty-four".