344640181047 has 16 divisors (see below), whose sum is σ = 466209416448. Its totient is φ = 226418548160.

The previous prime is 344640181037. The next prime is 344640181079. The reversal of 344640181047 is 740181046443.

It is a cyclic number.

It is not a de Polignac number, because 344640181047 - 2¹⁰ = 344640180023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344640181037) 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, 82828 + ... + 834350.

It is an arithmetic number, because the mean of its divisors is an integer number (29138088528).

Almost surely, 2^344640181047 is an apocalyptic number.

344640181047 is a deficient number, since it is larger than the sum of its proper divisors (121569235401).

344640181047 is a wasteful number, since it uses less digits than its factorization.

344640181047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753750.

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 344640181047 in words is "three hundred forty-four billion, six hundred forty million, one hundred eighty-one thousand, forty-seven".