4441649091256 has 32 divisors (see below), whose sum is σ = 8983250645040. Its totient is φ = 2046669343488.

The previous prime is 4441649091247. The next prime is 4441649091281. The reversal of 4441649091256 is 6521909461444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4441649091197 and 4441649091206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34545366 + ... + 34673701.

Almost surely, 2^{4441649091256} is an apocalyptic number.

It is an amenable number.

4441649091256 is an abundant number, since it is smaller than the sum of its proper divisors (4541601553784).

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

4441649091256 is a wasteful number, since it uses less digits than its factorization.

4441649091256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69219703 (or 69219699 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 4441649091256 in words is "four trillion, four hundred forty-one billion, six hundred forty-nine million, ninety-one thousand, two hundred fifty-six".