442004510521010 has 16 divisors (see below), whose sum is σ = 795610400290200. Its totient is φ = 176801297241216.

The previous prime is 442004510520953. The next prime is 442004510521019. The reversal of 442004510521010 is 10125015400244.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 432804626857849 + 9199883663161 = 20803957^2 + 3033131^2 .

It is not an unprimeable number, because it can be changed into a prime (442004510521019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59698955 + ... + 66693134.

Almost surely, 2^{442004510521010} is an apocalyptic number.

442004510521010 is a deficient number, since it is larger than the sum of its proper divisors (353605889769190).

442004510521010 is a wasteful number, since it uses less digits than its factorization.

442004510521010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126741805.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 442004510521010 its reverse (10125015400244), we get a palindrome (452129525921254).

The spelling of 442004510521010 in words is "four hundred forty-two trillion, four billion, five hundred ten million, five hundred twenty-one thousand, ten".