5443889264 has 40 divisors (see below), whose sum is σ = 11572978032. Its totient is φ = 2460177920.

The previous prime is 5443889221. The next prime is 5443889279. The reversal of 5443889264 is 4629883445.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58949 + ... + 119844.

Almost surely, 2^5443889264 is an apocalyptic number.

It is an amenable number.

5443889264 is an abundant number, since it is smaller than the sum of its proper divisors (6129088768).

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

5443889264 is a wasteful number, since it uses less digits than its factorization.

5443889264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178985 (or 178979 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 53.

The square root of 5443889264 is about 73782.7165669576. The cubic root of 5443889264 is about 1759.1508972389.

The spelling of 5443889264 in words is "five billion, four hundred forty-three million, eight hundred eighty-nine thousand, two hundred sixty-four".