444304124431 has 4 divisors (see below), whose sum is σ = 451587798664. Its totient is φ = 437020450200.

The previous prime is 444304124389. The next prime is 444304124477. The reversal of 444304124431 is 134421403444.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444304124431 is a prime.

It is a super-2 number, since 2×444304124431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444304125431) 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, 3641837025 + ... + 3641837146.

It is an arithmetic number, because the mean of its divisors is an integer number (112896949666).

Almost surely, 2^444304124431 is an apocalyptic number.

444304124431 is a deficient number, since it is larger than the sum of its proper divisors (7283674233).

444304124431 is an equidigital number, since it uses as much as digits as its factorization.

444304124431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7283674232.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 444304124431 its reverse (134421403444), we get a palindrome (578725527875).

The spelling of 444304124431 in words is "four hundred forty-four billion, three hundred four million, one hundred twenty-four thousand, four hundred thirty-one".