444114331553 has 8 divisors (see below), whose sum is σ = 446018655840. Its totient is φ = 442211374080.

The previous prime is 444114331523. The next prime is 444114331579. The reversal of 444114331553 is 355133411444.

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 444114331553 - 2¹² = 444114327457 is a prime.

It is a super-2 number, since 2×444114331553² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (444114331523) 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, 312218 + ... + 992828.

It is an arithmetic number, because the mean of its divisors is an integer number (55752331980).

Almost surely, 2^444114331553 is an apocalyptic number.

It is an amenable number.

444114331553 is a deficient number, since it is larger than the sum of its proper divisors (1904324287).

444114331553 is a wasteful number, since it uses less digits than its factorization.

444114331553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683407.

The product of its digits is 172800, while the sum is 38.

Adding to 444114331553 its reverse (355133411444), we get a palindrome (799247742997).

The spelling of 444114331553 in words is "four hundred forty-four billion, one hundred fourteen million, three hundred thirty-one thousand, five hundred fifty-three".