44213662446 has 32 divisors (see below), whose sum is σ = 88721982720. Its totient is φ = 14688861696.

The previous prime is 44213662391. The next prime is 44213662447. The reversal of 44213662446 is 64426631244.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44213662398 and 44213662407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44213662447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2230045 + ... + 2249783.

It is an arithmetic number, because the mean of its divisors is an integer number (2772561960).

Almost surely, 2^44213662446 is an apocalyptic number.

44213662446 is an abundant number, since it is smaller than the sum of its proper divisors (44508320274).

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

44213662446 is a wasteful number, since it uses less digits than its factorization.

44213662446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20968.

The product of its digits is 663552, while the sum is 42.

The spelling of 44213662446 in words is "forty-four billion, two hundred thirteen million, six hundred sixty-two thousand, four hundred forty-six".