444140134242 has 16 divisors (see below), whose sum is σ = 1015177449792. Its totient is φ = 126897181200.

The previous prime is 444140134219. The next prime is 444140134253. The reversal of 444140134242 is 242431041444.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5287382509 + ... + 5287382592.

It is an arithmetic number, because the mean of its divisors is an integer number (63448590612).

Almost surely, 2^444140134242 is an apocalyptic number.

444140134242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

444140134242 is an abundant number, since it is smaller than the sum of its proper divisors (571037315550).

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

444140134242 is a wasteful number, since it uses less digits than its factorization.

444140134242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10574765113.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 444140134242 its reverse (242431041444), we get a palindrome (686571175686).

The spelling of 444140134242 in words is "four hundred forty-four billion, one hundred forty million, one hundred thirty-four thousand, two hundred forty-two".