340234443131044 has 96 divisors (see below), whose sum is σ = 748832437866240. Its totient is φ = 131401680883200.

The previous prime is 340234443131029. The next prime is 340234443131047. The reversal of 340234443131044 is 440131344432043.

It is a super-2 number, since 2×340234443131044² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340234443130988 and 340234443131006.

It is not an unprimeable number, because it can be changed into a prime (340234443131047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12001542 + ... + 28714210.

It is an arithmetic number, because the mean of its divisors is an integer number (7800337894440).

Almost surely, 2^{340234443131044} 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 340234443131044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374416218933120).

340234443131044 is an abundant number, since it is smaller than the sum of its proper divisors (408597994735196).

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

340234443131044 is a wasteful number, since it uses less digits than its factorization.

340234443131044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16713269 (or 16713267 counting only the distinct ones).

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

Adding to 340234443131044 its reverse (440131344432043), we get a palindrome (780365787563087).

The spelling of 340234443131044 in words is "three hundred forty trillion, two hundred thirty-four billion, four hundred forty-three million, one hundred thirty-one thousand, forty-four".