5443208640 has 224 divisors, whose sum is σ = 19491106560. Its totient is φ = 1429705728.

The previous prime is 5443208633. The next prime is 5443208653. The reversal of 5443208640 is 468023445.

5443208640 is a `hidden beast` number, since 5 + 4 + 4 + 3 + 2 + 0 + 8 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5443208595 and 5443208604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 574179 + ... + 583581.

Almost surely, 2^5443208640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5443208640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9745553280).

5443208640 is an abundant number, since it is smaller than the sum of its proper divisors (14047897920).

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

5443208640 is a wasteful number, since it uses less digits than its factorization.

5443208640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9496 (or 9480 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 5443208640 is about 73778.1040688902. The cubic root of 5443208640 is about 1759.0775813818.

The spelling of 5443208640 in words is "five billion, four hundred forty-three million, two hundred eight thousand, six hundred forty".