440040004444 has 12 divisors (see below), whose sum is σ = 770569091824. Its totient is φ = 219877406784.

The previous prime is 440040004423. The next prime is 440040004451. The reversal of 440040004444 is 444400040044.

It is a super-2 number, since 2×440040004444² (a number of 24 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 3 ways as a sum of consecutive naturals, for example, 35641917 + ... + 35654260.

Almost surely, 2^440040004444 is an apocalyptic number.

It is an amenable number.

440040004444 is a deficient number, since it is larger than the sum of its proper divisors (330529087380).

440040004444 is a wasteful number, since it uses less digits than its factorization.

440040004444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71297724 (or 71297722 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 440040004444 its reverse (444400040044), we get a palindrome (884440044488).

The spelling of 440040004444 in words is "four hundred forty billion, forty million, four thousand, four hundred forty-four".