444522224454 has 64 divisors (see below), whose sum is σ = 1110597281280. Its totient is φ = 115233419520.

The previous prime is 444522224453. The next prime is 444522224459. The reversal of 444522224454 is 454422225444.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444522224453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 709999 + ... + 1180314.

It is an arithmetic number, because the mean of its divisors is an integer number (17353082520).

Almost surely, 2^444522224454 is an apocalyptic number.

444522224454 is an abundant number, since it is smaller than the sum of its proper divisors (666075056826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444522224454 is a wasteful number, since it uses less digits than its factorization.

444522224454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890845.

The product of its digits is 1638400, while the sum is 42.

Adding to 444522224454 its reverse (454422225444), we get a palindrome (898944449898).

The spelling of 444522224454 in words is "four hundred forty-four billion, five hundred twenty-two million, two hundred twenty-four thousand, four hundred fifty-four".