404234330442 has 32 divisors (see below), whose sum is σ = 856422232704. Its totient is φ = 126759859200.

The previous prime is 404234330431. The next prime is 404234330443. The reversal of 404234330442 is 244033432404.

It is not an unprimeable number, because it can be changed into a prime (404234330443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696534 + ... + 1137377.

It is an arithmetic number, because the mean of its divisors is an integer number (26763194772).

Almost surely, 2^404234330442 is an apocalyptic number.

404234330442 is an abundant number, since it is smaller than the sum of its proper divisors (452187902262).

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

404234330442 is a wasteful number, since it uses less digits than its factorization.

404234330442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836094.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 404234330442 its reverse (244033432404), we get a palindrome (648267762846).

The spelling of 404234330442 in words is "four hundred four billion, two hundred thirty-four million, three hundred thirty thousand, four hundred forty-two".