444202404040 has 16 divisors (see below), whose sum is σ = 999455409180. Its totient is φ = 177680961600.

The previous prime is 444202404031. The next prime is 444202404073. The reversal of 444202404040 is 40404202444.

It can be written as a sum of positive squares in 2 ways, for example, as 412551859204 + 31650544836 = 642302^2 + 177906^2 .

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, 5552530011 + ... + 5552530090.

Almost surely, 2^444202404040 is an apocalyptic number.

444202404040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444202404040 is an abundant number, since it is smaller than the sum of its proper divisors (555253005140).

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

444202404040 is a wasteful number, since it uses less digits than its factorization.

444202404040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105060112 (or 11105060108 counting only the distinct ones).

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

Adding to 444202404040 its reverse (40404202444), we get a palindrome (484606606484).

The spelling of 444202404040 in words is "four hundred forty-four billion, two hundred two million, four hundred four thousand, forty".