5446280721 has 8 divisors (see below), whose sum is σ = 8299094464. Its totient is φ = 3112160400.

The previous prime is 5446280717. The next prime is 5446280729. The reversal of 5446280721 is 1270826445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5446280721 - 2² = 5446280717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5446280721.

It is not an unprimeable number, because it can be changed into a prime (5446280729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129673330 + ... + 129673371.

It is an arithmetic number, because the mean of its divisors is an integer number (1037386808).

Almost surely, 2^5446280721 is an apocalyptic number.

It is an amenable number.

5446280721 is a deficient number, since it is larger than the sum of its proper divisors (2852813743).

5446280721 is a wasteful number, since it uses less digits than its factorization.

5446280721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259346711.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 5446280721 is about 73798.9208660940. The cubic root of 5446280721 is about 1759.4084531669.

The spelling of 5446280721 in words is "five billion, four hundred forty-six million, two hundred eighty thousand, seven hundred twenty-one".