444420611 has 4 divisors (see below), whose sum is σ = 444505824. Its totient is φ = 444335400.

The previous prime is 444420593. The next prime is 444420617. The reversal of 444420611 is 116024444.

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

It is a cyclic number.

It is not a de Polignac number, because 444420611 - 2⁶ = 444420547 is a prime.

It is a super-3 number, since 3×444420611³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444420617) 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, 34235 + ... + 45396.

It is an arithmetic number, because the mean of its divisors is an integer number (111126456).

Almost surely, 2^444420611 is an apocalyptic number.

444420611 is a deficient number, since it is larger than the sum of its proper divisors (85213).

444420611 is an equidigital number, since it uses as much as digits as its factorization.

444420611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85212.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 444420611 is about 21081.2858004440. The cubic root of 444420611 is about 763.1291868834.

The spelling of 444420611 in words is "four hundred forty-four million, four hundred twenty thousand, six hundred eleven".