5409646820720 has 40 divisors (see below), whose sum is σ = 12581565375600. Its totient is φ = 2163147069440.

The previous prime is 5409646820707. The next prime is 5409646820729. The reversal of 5409646820720 is 270286469045.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5409646820729) 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, 10874870 + ... + 11361429.

It is an arithmetic number, because the mean of its divisors is an integer number (314539134390).

Almost surely, 2^{5409646820720} is an apocalyptic number.

It is an amenable number.

5409646820720 is an abundant number, since it is smaller than the sum of its proper divisors (7171918554880).

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

5409646820720 is a wasteful number, since it uses less digits than its factorization.

5409646820720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22239353 (or 22239347 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 5409646820720 in words is "five trillion, four hundred nine billion, six hundred forty-six million, eight hundred twenty thousand, seven hundred twenty".