404143003442 has 16 divisors (see below), whose sum is σ = 615497761152. Its totient is φ = 198979389840.

The previous prime is 404143003417. The next prime is 404143003469. The reversal of 404143003442 is 244300341404.

It is a happy number.

It is a super-2 number, since 2×404143003442² (a number of 24 digits) contains 22 as substring.

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, 224138 + ... + 926565.

It is an arithmetic number, because the mean of its divisors is an integer number (38468610072).

Almost surely, 2^404143003442 is an apocalyptic number.

404143003442 is a deficient number, since it is larger than the sum of its proper divisors (211354757710).

404143003442 is a wasteful number, since it uses less digits than its factorization.

404143003442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153393.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 404143003442 its reverse (244300341404), we get a palindrome (648443344846).

The spelling of 404143003442 in words is "four hundred four billion, one hundred forty-three million, three thousand, four hundred forty-two".