340234340134144 has 72 divisors (see below), whose sum is σ = 714990934280000. Its totient is φ = 161139489509376.

The previous prime is 340234340134123. The next prime is 340234340134153. The reversal of 340234340134144 is 441431043432043.

It is a super-2 number, since 2×340234340134144² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340234340134097 and 340234340134106.

It is a congruent number.

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, 27250132 + ... + 37723180.

Almost surely, 2^{340234340134144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340234340134144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357495467140000).

340234340134144 is an abundant number, since it is smaller than the sum of its proper divisors (374756594145856).

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

340234340134144 is a wasteful number, since it uses less digits than its factorization.

340234340134144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10479763 (or 10479749 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 340234340134144 its reverse (441431043432043), we get a palindrome (781665383566187).

The spelling of 340234340134144 in words is "three hundred forty trillion, two hundred thirty-four billion, three hundred forty million, one hundred thirty-four thousand, one hundred forty-four".