442103012450252 has 12 divisors (see below), whose sum is σ = 773680420710456. Its totient is φ = 221051463675840.

The previous prime is 442103012450243. The next prime is 442103012450327. The reversal of 442103012450252 is 252054210301244.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29937203 + ... + 42195285.

It is an arithmetic number, because the mean of its divisors is an integer number (64473368392538).

Almost surely, 2^{442103012450252} is an apocalyptic number.

It is an amenable number.

442103012450252 is a deficient number, since it is larger than the sum of its proper divisors (331577408260204).

442103012450252 is a wasteful number, since it uses less digits than its factorization.

442103012450252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21274648 (or 21274646 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 442103012450252 its reverse (252054210301244), we get a palindrome (694157222751496).

The spelling of 442103012450252 in words is "four hundred forty-two trillion, one hundred three billion, twelve million, four hundred fifty thousand, two hundred fifty-two".