44426666426 has 8 divisors (see below), whose sum is σ = 66700093140. Its totient is φ = 22193302048.

The previous prime is 44426666399. The next prime is 44426666437. The reversal of 44426666426 is 62466662444.

It can be written as a sum of positive squares in 2 ways, for example, as 31559167201 + 12867499225 = 177649^2 + 113435^2 .

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

It is a super-2 number, since 2×44426666426² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10012811 + ... + 10017246.

Almost surely, 2^44426666426 is an apocalyptic number.

44426666426 is a deficient number, since it is larger than the sum of its proper divisors (22273426714).

44426666426 is a wasteful number, since it uses less digits than its factorization.

44426666426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20031168.

The product of its digits is 7962624, while the sum is 50.

The spelling of 44426666426 in words is "forty-four billion, four hundred twenty-six million, six hundred sixty-six thousand, four hundred twenty-six".