444001013011 has 8 divisors (see below), whose sum is σ = 483485677200. Its totient is φ = 406127967840.

The previous prime is 444001012993. The next prime is 444001013047. The reversal of 444001013011 is 110310100444.

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

It is a cyclic number.

It is not a de Polignac number, because 444001013011 - 2⁷ = 444001012883 is a prime.

It is a super-2 number, since 2×444001013011² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444001013011.

It is not an unprimeable number, because it can be changed into a prime (444001013081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402904180 + ... + 402905281.

It is an arithmetic number, because the mean of its divisors is an integer number (60435709650).

Almost surely, 2^444001013011 is an apocalyptic number.

444001013011 is a deficient number, since it is larger than the sum of its proper divisors (39484664189).

444001013011 is a wasteful number, since it uses less digits than its factorization.

444001013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805809509.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 444001013011 its reverse (110310100444), we get a palindrome (554311113455).

The spelling of 444001013011 in words is "four hundred forty-four billion, one million, thirteen thousand, eleven".