404024002442 has 8 divisors (see below), whose sum is σ = 620817369732. Its totient is φ = 197084879200.

The previous prime is 404024002433. The next prime is 404024002513. The reversal of 404024002442 is 244200420404.

It can be written as a sum of positive squares in 2 ways, for example, as 342717747241 + 61306255201 = 585421^2 + 247601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2463560909 + ... + 2463561072.

Almost surely, 2^404024002442 is an apocalyptic number.

404024002442 is a deficient number, since it is larger than the sum of its proper divisors (216793367290).

404024002442 is a wasteful number, since it uses less digits than its factorization.

404024002442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927122024.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 404024002442 its reverse (244200420404), we get a palindrome (648224422846).

The spelling of 404024002442 in words is "four hundred four billion, twenty-four million, two thousand, four hundred forty-two".