444418541 has 8 divisors (see below), whose sum is σ = 510460800. Its totient is φ = 379014768.

The previous prime is 444418537. The next prime is 444418543. The reversal of 444418541 is 145814444.

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 444418541 - 2² = 444418537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444418543) 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, 158126 + ... + 160911.

It is an arithmetic number, because the mean of its divisors is an integer number (63807600).

Almost surely, 2^444418541 is an apocalyptic number.

It is an amenable number.

444418541 is a deficient number, since it is larger than the sum of its proper divisors (66042259).

444418541 is a wasteful number, since it uses less digits than its factorization.

444418541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319243.

The product of its digits is 40960, while the sum is 35.

The square root of 444418541 is about 21081.2367047097. The cubic root of 444418541 is about 763.1280020600.

The spelling of 444418541 in words is "four hundred forty-four million, four hundred eighteen thousand, five hundred forty-one".