442134240351 has 16 divisors (see below), whose sum is σ = 592106078304. Its totient is φ = 293459554304.

The previous prime is 442134240349. The next prime is 442134240367. The reversal of 442134240351 is 153042431244.

It is a cyclic number.

It is not a de Polignac number, because 442134240351 - 2¹ = 442134240349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442134242351) 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, 7742335 + ... + 7799231.

It is an arithmetic number, because the mean of its divisors is an integer number (37006629894).

Almost surely, 2^442134240351 is an apocalyptic number.

442134240351 is a deficient number, since it is larger than the sum of its proper divisors (149971837953).

442134240351 is a wasteful number, since it uses less digits than its factorization.

442134240351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68250.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 442134240351 its reverse (153042431244), we get a palindrome (595176671595).

The spelling of 442134240351 in words is "four hundred forty-two billion, one hundred thirty-four million, two hundred forty thousand, three hundred fifty-one".