444340666737 has 16 divisors (see below), whose sum is σ = 718126330560. Its totient is φ = 269297373600.

The previous prime is 444340666723. The next prime is 444340666751. The reversal of 444340666737 is 737666043444.

It is an interprime number because it is at equal distance from previous prime (444340666723) and next prime (444340666751).

It is not a de Polignac number, because 444340666737 - 2⁶ = 444340666673 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (444340666787) 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, 748047964 + ... + 748048557.

It is an arithmetic number, because the mean of its divisors is an integer number (44882895660).

Almost surely, 2^444340666737 is an apocalyptic number.

It is an amenable number.

444340666737 is a deficient number, since it is larger than the sum of its proper divisors (273785663823).

444340666737 is a wasteful number, since it uses less digits than its factorization.

444340666737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496096541 (or 1496096535 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 54.

The spelling of 444340666737 in words is "four hundred forty-four billion, three hundred forty million, six hundred sixty-six thousand, seven hundred thirty-seven".