444260344145 has 4 divisors (see below), whose sum is σ = 533112412980. Its totient is φ = 355408275312.

The previous prime is 444260344141. The next prime is 444260344189. The reversal of 444260344145 is 541443062444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 345668740096 + 98591604049 = 587936^2 + 313993^2 .

It is a cyclic number.

It is not a de Polignac number, because 444260344145 - 2² = 444260344141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (444260344141) 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, 44426034410 + ... + 44426034419.

It is an arithmetic number, because the mean of its divisors is an integer number (133278103245).

Almost surely, 2^444260344145 is an apocalyptic number.

It is an amenable number.

444260344145 is a deficient number, since it is larger than the sum of its proper divisors (88852068835).

444260344145 is an equidigital number, since it uses as much as digits as its factorization.

444260344145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88852068834.

The product of its (nonzero) digits is 737280, while the sum is 41.

The spelling of 444260344145 in words is "four hundred forty-four billion, two hundred sixty million, three hundred forty-four thousand, one hundred forty-five".