4406661456 has 20 divisors (see below), whose sum is σ = 11383875552. Its totient is φ = 1468887136.

The previous prime is 4406661437. The next prime is 4406661473. The reversal of 4406661456 is 6541666044.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45902676 + ... + 45902771.

Almost surely, 2^4406661456 is an apocalyptic number.

It is an amenable number.

4406661456 is an abundant number, since it is smaller than the sum of its proper divisors (6977214096).

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

4406661456 is a wasteful number, since it uses less digits than its factorization.

4406661456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91805458 (or 91805452 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 4406661456 is about 66382.6894303025. The cubic root of 4406661456 is about 1639.4690746197.

The spelling of 4406661456 in words is "four billion, four hundred six million, six hundred sixty-one thousand, four hundred fifty-six".