5443446240 has 480 divisors, whose sum is σ = 21023380224. Its totient is φ = 1320468480.

The previous prime is 5443446233. The next prime is 5443446269. The reversal of 5443446240 is 426443445.

5443446240 is a `hidden beast` number, since 544 + 34 + 46 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×5443446240² = 59262213935540275200, which contains 22 as substring.

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 = 5443446195 and 5443446204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6829522 + ... + 6830318.

Almost surely, 2^5443446240 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 5443446240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10511690112).

5443446240 is an abundant number, since it is smaller than the sum of its proper divisors (15579933984).

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

5443446240 is a wasteful number, since it uses less digits than its factorization.

5443446240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

The square root of 5443446240 is about 73779.7142851611. The cubic root of 5443446240 is about 1759.1031760129.

Adding to 5443446240 its reverse (426443445), we get a palindrome (5869889685).

The spelling of 5443446240 in words is "five billion, four hundred forty-three million, four hundred forty-six thousand, two hundred forty".