340420343024043 has 12 divisors (see below), whose sum is σ = 491718527145040. Its totient is φ = 226946778170256.

The previous prime is 340420343024039. The next prime is 340420343024147.

340420343024043 is a `hidden beast` number, since 3 + 4 + 0 + 4 + 203 + 43 + 0 + 2 + 404 + 3 = 666.

340420343024043 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 340420343024043 - 2² = 340420343024039 is a prime.

It is a super-2 number, since 2×340420343024043² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340420343023989 and 340420343024007.

It is not an unprimeable number, because it can be changed into a prime (340420343024543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10946205 + ... + 28295937.

Almost surely, 2^{340420343024043} is an apocalyptic number.

340420343024043 is a deficient number, since it is larger than the sum of its proper divisors (151298184120997).

340420343024043 is a wasteful number, since it uses less digits than its factorization.

340420343024043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19529858 (or 19529855 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

The spelling of 340420343024043 in words is "three hundred forty trillion, four hundred twenty billion, three hundred forty-three million, twenty-four thousand, forty-three".