140344234344 has 48 divisors (see below), whose sum is σ = 380169410400. Its totient is φ = 46772741664.

The previous prime is 140344234339. The next prime is 140344234361. The reversal of 140344234344 is 443432443041.

140344234344 is a `hidden beast` number, since 1 + 40 + 3 + 44 + 234 + 344 = 666.

It is a super-2 number, since 2×140344234344² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 140344234299 and 140344234308.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216607 + ... + 572369.

It is an arithmetic number, because the mean of its divisors is an integer number (7920196050).

Almost surely, 2^140344234344 is an apocalyptic number.

It is an amenable number.

140344234344 is an abundant number, since it is smaller than the sum of its proper divisors (239825176056).

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

140344234344 is a wasteful number, since it uses less digits than its factorization.

140344234344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361254 (or 361247 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 140344234344 its reverse (443432443041), we get a palindrome (583776677385).

The spelling of 140344234344 in words is "one hundred forty billion, three hundred forty-four million, two hundred thirty-four thousand, three hundred forty-four".