16444964026 has 8 divisors (see below), whose sum is σ = 24911678484. Its totient is φ = 8141071200.

The previous prime is 16444964023. The next prime is 16444964033. The reversal of 16444964026 is 62046944461.

It can be written as a sum of positive squares in 2 ways, for example, as 13110479001 + 3334485025 = 114501^2 + 57745^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16444964021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40705155 + ... + 40705558.

Almost surely, 2^16444964026 is an apocalyptic number.

16444964026 is a deficient number, since it is larger than the sum of its proper divisors (8466714458).

16444964026 is a wasteful number, since it uses less digits than its factorization.

16444964026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81410816.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 16444964026 in words is "sixteen billion, four hundred forty-four million, nine hundred sixty-four thousand, twenty-six".