44440403444 has 24 divisors (see below), whose sum is σ = 79166969448. Its totient is φ = 21822387840.

The previous prime is 44440403437. The next prime is 44440403467. The reversal of 44440403444 is 44430404444.

It can be written as a sum of positive squares in 4 ways, for example, as 5872156900 + 38568246544 = 76630^2 + 196388^2 .

It is a super-2 number, since 2×44440403444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19874 + ... + 298790.

It is an arithmetic number, because the mean of its divisors is an integer number (3298623727).

Almost surely, 2^44440403444 is an apocalyptic number.

It is an amenable number.

44440403444 is a deficient number, since it is larger than the sum of its proper divisors (34726566004).

44440403444 is a wasteful number, since it uses less digits than its factorization.

44440403444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279635 (or 279633 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 44440403444 its reverse (44430404444), we get a palindrome (88870807888).

The spelling of 44440403444 in words is "forty-four billion, four hundred forty million, four hundred three thousand, four hundred forty-four".