440004375044 has 24 divisors (see below), whose sum is σ = 829269506520. Its totient is φ = 203071474944.

The previous prime is 440004375029. The next prime is 440004375059. The reversal of 440004375044 is 440573400044.

It is an interprime number because it is at equal distance from previous prime (440004375029) and next prime (440004375059).

It can be written as a sum of positive squares in 4 ways, for example, as 485761600 + 439518613444 = 22040^2 + 662962^2 .

It is a super-2 number, since 2×440004375044² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440004374995 and 440004375013.

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, 1425152 + ... + 1706184.

It is an arithmetic number, because the mean of its divisors is an integer number (34552896105).

Almost surely, 2^440004375044 is an apocalyptic number.

It is an amenable number.

440004375044 is a deficient number, since it is larger than the sum of its proper divisors (389265131476).

440004375044 is a wasteful number, since it uses less digits than its factorization.

440004375044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311159 (or 311157 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 35.

Adding to 440004375044 its reverse (440573400044), we get a palindrome (880577775088).

The spelling of 440004375044 in words is "four hundred forty billion, four million, three hundred seventy-five thousand, forty-four".