104001040442 has 16 divisors (see below), whose sum is σ = 168021037800. Its totient is φ = 47994949632.

The previous prime is 104001040439. The next prime is 104001040489. The reversal of 104001040442 is 244040100401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29749695361 + 74251345081 = 172481^2 + 272491^2 .

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 7 ways as a sum of consecutive naturals, for example, 4058 + ... + 456090.

Almost surely, 2^104001040442 is an apocalyptic number.

104001040442 is a deficient number, since it is larger than the sum of its proper divisors (64019997358).

104001040442 is a wasteful number, since it uses less digits than its factorization.

104001040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460897.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 104001040442 its reverse (244040100401), we get a palindrome (348041140843).

The spelling of 104001040442 in words is "one hundred four billion, one million, forty thousand, four hundred forty-two".