344143551140 has 48 divisors (see below), whose sum is σ = 725873199744. Its totient is φ = 137053555200.

The previous prime is 344143551113. The next prime is 344143551149. The reversal of 344143551140 is 41155341443.

It is a self number, because there is not a number n which added to its sum of digits gives 344143551140.

It is not an unprimeable number, because it can be changed into a prime (344143551149) 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, 36178985 + ... + 36188495.

It is an arithmetic number, because the mean of its divisors is an integer number (15122358328).

Almost surely, 2^344143551140 is an apocalyptic number.

It is an amenable number.

344143551140 is an abundant number, since it is smaller than the sum of its proper divisors (381729648604).

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

344143551140 is a wasteful number, since it uses less digits than its factorization.

344143551140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17268 (or 17266 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 344143551140 its reverse (41155341443), we get a palindrome (385298892583).

The spelling of 344143551140 in words is "three hundred forty-four billion, one hundred forty-three million, five hundred fifty-one thousand, one hundred forty".