344633636142 has 32 divisors (see below), whose sum is σ = 765881084160. Its totient is φ = 114873594840.

The previous prime is 344633636141. The next prime is 344633636147. The reversal of 344633636142 is 241636336443.

344633636142 is a `hidden beast` number, since 3 + 4 + 4 + 6 + 3 + 3 + 636 + 1 + 4 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344633636141) 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, 1559767 + ... + 1766957.

It is an arithmetic number, because the mean of its divisors is an integer number (23933783880).

Almost surely, 2^344633636142 is an apocalyptic number.

344633636142 is an abundant number, since it is smaller than the sum of its proper divisors (421247448018).

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

344633636142 is a wasteful number, since it uses less digits than its factorization.

344633636142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238005 (or 237999 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 45.

The spelling of 344633636142 in words is "three hundred forty-four billion, six hundred thirty-three million, six hundred thirty-six thousand, one hundred forty-two".