404243210442 has 32 divisors (see below), whose sum is σ = 841310300160. Its totient is φ = 129383316720.

The previous prime is 404243210429. The next prime is 404243210461. The reversal of 404243210442 is 244012342404.

404243210442 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 13263034 + ... + 13293477.

It is an arithmetic number, because the mean of its divisors is an integer number (26290946880).

Almost surely, 2^404243210442 is an apocalyptic number.

404243210442 is an abundant number, since it is smaller than the sum of its proper divisors (437067089718).

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

404243210442 is a wasteful number, since it uses less digits than its factorization.

404243210442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26556618.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 404243210442 its reverse (244012342404), we get a palindrome (648255552846).

The spelling of 404243210442 in words is "four hundred four billion, two hundred forty-three million, two hundred ten thousand, four hundred forty-two".