340024421043340 has 24 divisors (see below), whose sum is σ = 778965037299792. Its totient is φ = 123645244015680.

The previous prime is 340024421043239. The next prime is 340024421043343. The reversal of 340024421043340 is 43340124420043.

It is a junction number, because it is equal to n+sod(n) for n = 340024421043296 and 340024421043305.

It is not an unprimeable number, because it can be changed into a prime (340024421043343) 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, 772782774879 + ... + 772782775318.

It is an arithmetic number, because the mean of its divisors is an integer number (32456876554158).

Almost surely, 2^{340024421043340} is an apocalyptic number.

It is an amenable number.

340024421043340 is an abundant number, since it is smaller than the sum of its proper divisors (438940616256452).

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

340024421043340 is a wasteful number, since it uses less digits than its factorization.

340024421043340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545565550217 (or 1545565550215 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 340024421043340 its reverse (43340124420043), we get a palindrome (383364545463383).

The spelling of 340024421043340 in words is "three hundred forty trillion, twenty-four billion, four hundred twenty-one million, forty-three thousand, three hundred forty".