444240055 has 32 divisors (see below), whose sum is σ = 638668800. Its totient is φ = 290032512.

The previous prime is 444240047. The next prime is 444240061. The reversal of 444240055 is 550042444.

It is not a de Polignac number, because 444240055 - 2³ = 444240047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191241 + ... + 193549.

It is an arithmetic number, because the mean of its divisors is an integer number (19958400).

Almost surely, 2^444240055 is an apocalyptic number.

444240055 is a deficient number, since it is larger than the sum of its proper divisors (194428745).

444240055 is a wasteful number, since it uses less digits than its factorization.

444240055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 444240055 is about 21077.0029890400. The cubic root of 444240055 is about 763.0258266776.

Adding to 444240055 its reverse (550042444), we get a palindrome (994282499).

The spelling of 444240055 in words is "four hundred forty-four million, two hundred forty thousand, fifty-five".