424444004442 has 48 divisors (see below), whose sum is σ = 929526834600. Its totient is φ = 139959853056.

The previous prime is 424444004429. The next prime is 424444004531. The reversal of 424444004442 is 244400444424.

424444004442 is a `hidden beast` number, since 4 + 244 + 4 + 400 + 4 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 412214077521 + 12229926921 = 642039^2 + 110589^2 .

It is a junction number, because it is equal to n+sod(n) for n = 424444004397 and 424444004406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3915184 + ... + 4022132.

Almost surely, 2^424444004442 is an apocalyptic number.

424444004442 is an abundant number, since it is smaller than the sum of its proper divisors (505082830158).

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

424444004442 is a wasteful number, since it uses less digits than its factorization.

424444004442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109327 (or 109324 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 424444004442 its reverse (244400444424), we get a palindrome (668844448866).

The spelling of 424444004442 in words is "four hundred twenty-four billion, four hundred forty-four million, four thousand, four hundred forty-two".