40444103444 has 12 divisors (see below), whose sum is σ = 71003308404. Its totient is φ = 20157443904.

The previous prime is 40444103431. The next prime is 40444103459. The reversal of 40444103444 is 44430144404.

It can be written as a sum of positive squares in 2 ways, for example, as 12868179844 + 27575923600 = 113438^2 + 166060^2 .

It is a super-2 number, since 2×40444103444² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40444103444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16150547 + ... + 16153050.

It is an arithmetic number, because the mean of its divisors is an integer number (5916942367).

Almost surely, 2^40444103444 is an apocalyptic number.

It is an amenable number.

40444103444 is a deficient number, since it is larger than the sum of its proper divisors (30559204960).

40444103444 is a wasteful number, since it uses less digits than its factorization.

40444103444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32303914 (or 32303912 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 40444103444 its reverse (44430144404), we get a palindrome (84874247848).

The spelling of 40444103444 in words is "forty billion, four hundred forty-four million, one hundred three thousand, four hundred forty-four".