404013044442 has 32 divisors (see below), whose sum is σ = 923478998400. Its totient is φ = 115429722048.

The previous prime is 404013044431. The next prime is 404013044459. The reversal of 404013044442 is 244440310404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2600284 + ... + 2751272.

It is an arithmetic number, because the mean of its divisors is an integer number (28858718700).

Almost surely, 2^404013044442 is an apocalyptic number.

404013044442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

404013044442 is an abundant number, since it is smaller than the sum of its proper divisors (519465953958).

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

404013044442 is a wasteful number, since it uses less digits than its factorization.

404013044442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214710.

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

Adding to 404013044442 its reverse (244440310404), we get a palindrome (648453354846).

The spelling of 404013044442 in words is "four hundred four billion, thirteen million, forty-four thousand, four hundred forty-two".