444520304323431 has 32 divisors (see below), whose sum is σ = 677443505840640. Its totient is φ = 253981892421504.

The previous prime is 444520304323423. The next prime is 444520304323493. The reversal of 444520304323431 is 134323403025444.

It is not a de Polignac number, because 444520304323431 - 2³ = 444520304323423 is a prime.

It is a super-2 number, since 2×444520304323431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444520304327431) 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, 9229473756 + ... + 9229521918.

It is an arithmetic number, because the mean of its divisors is an integer number (21170109557520).

Almost surely, 2^{444520304323431} is an apocalyptic number.

444520304323431 is a deficient number, since it is larger than the sum of its proper divisors (232923201517209).

444520304323431 is a wasteful number, since it uses less digits than its factorization.

444520304323431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90455.

The product of its (nonzero) digits is 1658880, while the sum is 42.

Adding to 444520304323431 its reverse (134323403025444), we get a palindrome (578843707348875).

The spelling of 444520304323431 in words is "four hundred forty-four trillion, five hundred twenty billion, three hundred four million, three hundred twenty-three thousand, four hundred thirty-one".