444243124040 has 64 divisors (see below), whose sum is σ = 1035646821360. Its totient is φ = 171364515840.

The previous prime is 444243123983. The next prime is 444243124069. The reversal of 444243124040 is 40421342444.

It can be written as a sum of positive squares in 8 ways, for example, as 170276721316 + 273966402724 = 412646^2 + 523418^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444243123988 and 444243124006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160921 + ... + 1495400.

Almost surely, 2^444243124040 is an apocalyptic number.

444243124040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444243124040 is an abundant number, since it is smaller than the sum of its proper divisors (591403697320).

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

444243124040 is a wasteful number, since it uses less digits than its factorization.

444243124040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656482 (or 2656478 counting only the distinct ones).

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

Adding to 444243124040 its reverse (40421342444), we get a palindrome (484664466484).

The spelling of 444243124040 in words is "four hundred forty-four billion, two hundred forty-three million, one hundred twenty-four thousand, forty".