340043430 has 16 divisors (see below), whose sum is σ = 816104304. Its totient is φ = 90678240.

The previous prime is 340043423. The next prime is 340043443. The reversal of 340043430 is 34340043.

It is a junction number, because it is equal to n+sod(n) for n = 340043397 and 340043406.

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, 5667361 + ... + 5667420.

It is an arithmetic number, because the mean of its divisors is an integer number (51006519).

Almost surely, 2^340043430 is an apocalyptic number.

340043430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

340043430 is an abundant number, since it is smaller than the sum of its proper divisors (476060874).

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

340043430 is a wasteful number, since it uses less digits than its factorization.

340043430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11334791.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 340043430 is about 18440.2665382038. The cubic root of 340043430 is about 697.9829211783.

Adding to 340043430 its reverse (34340043), we get a palindrome (374383473).

The spelling of 340043430 in words is "three hundred forty million, forty-three thousand, four hundred thirty".