5447404656 has 160 divisors (see below), whose sum is σ = 16602062400. Its totient is φ = 1704222720.

The previous prime is 5447404621. The next prime is 5447404657. The reversal of 5447404656 is 6564047445.

5447404656 is a `hidden beast` number, since 544 + 7 + 40 + 4 + 65 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5447404657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3384780 + ... + 3386388.

It is an arithmetic number, because the mean of its divisors is an integer number (103762890).

Almost surely, 2^5447404656 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 5447404656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8301031200).

5447404656 is an abundant number, since it is smaller than the sum of its proper divisors (11154657744).

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

5447404656 is a wasteful number, since it uses less digits than its factorization.

5447404656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 45.

The square root of 5447404656 is about 73806.5353203902. The cubic root of 5447404656 is about 1759.5294730474.

The spelling of 5447404656 in words is "five billion, four hundred forty-seven million, four hundred four thousand, six hundred fifty-six".