444661036154441 has 4 divisors (see below), whose sum is σ = 444661819737552. Its totient is φ = 444660252571332.

The previous prime is 444661036154437. The next prime is 444661036154459. The reversal of 444661036154441 is 144451630166444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444661036154441 - 2² = 444661036154437 is a prime.

It is a super-2 number, since 2×444661036154441² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444661036154471) 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, 390939731 + ... + 392075496.

It is an arithmetic number, because the mean of its divisors is an integer number (111165454934388).

Almost surely, 2^{444661036154441} is an apocalyptic number.

It is an amenable number.

444661036154441 is a deficient number, since it is larger than the sum of its proper divisors (783583111).

444661036154441 is an equidigital number, since it uses as much as digits as its factorization.

444661036154441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783583110.

The product of its (nonzero) digits is 13271040, while the sum is 53.

The spelling of 444661036154441 in words is "four hundred forty-four trillion, six hundred sixty-one billion, thirty-six million, one hundred fifty-four thousand, four hundred forty-one".