340230442343420 has 24 divisors (see below), whose sum is σ = 714569897737248. Its totient is φ = 136075801924800.

The previous prime is 340230442343377. The next prime is 340230442343423. The reversal of 340230442343420 is 24343244032043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340230442343423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023267911 + ... + 1023600350.

It is an arithmetic number, because the mean of its divisors is an integer number (29773745739052).

Almost surely, 2^{340230442343420} is an apocalyptic number.

It is an amenable number.

340230442343420 is an abundant number, since it is smaller than the sum of its proper divisors (374339455393828).

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

340230442343420 is a wasteful number, since it uses less digits than its factorization.

340230442343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046876581 (or 2046876579 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 38.

Adding to 340230442343420 its reverse (24343244032043), we get a palindrome (364573686375463).

The spelling of 340230442343420 in words is "three hundred forty trillion, two hundred thirty billion, four hundred forty-two million, three hundred forty-three thousand, four hundred twenty".