404233401042 has 16 divisors (see below), whose sum is σ = 898296446880. Its totient is φ = 134744466996.

The previous prime is 404233401037. The next prime is 404233401053. The reversal of 404233401042 is 240104332404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 404233400997 and 404233401015.

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, 3742901808 + ... + 3742901915.

It is an arithmetic number, because the mean of its divisors is an integer number (56143527930).

Almost surely, 2^404233401042 is an apocalyptic number.

404233401042 is an abundant number, since it is smaller than the sum of its proper divisors (494063045838).

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

404233401042 is a wasteful number, since it uses less digits than its factorization.

404233401042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485803734 (or 7485803728 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 404233401042 its reverse (240104332404), we get a palindrome (644337733446).

The spelling of 404233401042 in words is "four hundred four billion, two hundred thirty-three million, four hundred one thousand, forty-two".