4444000440040 has 32 divisors (see below), whose sum is σ = 11427429703680. Its totient is φ = 1523657293632.

The previous prime is 4444000440017. The next prime is 4444000440083. The reversal of 4444000440040 is 400440004444.

It is a super-2 number, since 2×4444000440040² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 4444000439990 and 4444000440008.

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, 7935714792 + ... + 7935715351.

It is an arithmetic number, because the mean of its divisors is an integer number (357107178240).

Almost surely, 2^{4444000440040} is an apocalyptic number.

4444000440040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4444000440040 is an abundant number, since it is smaller than the sum of its proper divisors (6983429263640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4444000440040 is a wasteful number, since it uses less digits than its factorization.

4444000440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15871430161 (or 15871430157 counting only the distinct ones).

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

Adding to 4444000440040 its reverse (400440004444), we get a palindrome (4844440444484).

The spelling of 4444000440040 in words is "four trillion, four hundred forty-four billion, four hundred forty thousand, forty".