445544424031 has 32 divisors (see below), whose sum is σ = 536813733888. Its totient is φ = 361525718400.

The previous prime is 445544423941. The next prime is 445544424037. The reversal of 445544424031 is 130424445544.

It is not a de Polignac number, because 445544424031 - 2¹⁹ = 445543899743 is a prime.

It is a super-2 number, since 2×445544424031² (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 (445544424037) 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, 57836526 + ... + 57844228.

It is an arithmetic number, because the mean of its divisors is an integer number (16775429184).

Almost surely, 2^445544424031 is an apocalyptic number.

445544424031 is a deficient number, since it is larger than the sum of its proper divisors (91269309857).

445544424031 is a wasteful number, since it uses less digits than its factorization.

445544424031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11391.

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 445544424031 its reverse (130424445544), we get a palindrome (575968869575).

The spelling of 445544424031 in words is "four hundred forty-five billion, five hundred forty-four million, four hundred twenty-four thousand, thirty-one".