340034130421 has 32 divisors (see below), whose sum is σ = 369662054400. Its totient is φ = 311910730560.

The previous prime is 340034130419. The next prime is 340034130487. The reversal of 340034130421 is 124031430043.

It is a cyclic number.

It is not a de Polignac number, because 340034130421 - 2¹ = 340034130419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340034134421) 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, 41610666 + ... + 41618836.

It is an arithmetic number, because the mean of its divisors is an integer number (11551939200).

Almost surely, 2^340034130421 is an apocalyptic number.

It is an amenable number.

340034130421 is a deficient number, since it is larger than the sum of its proper divisors (29627923979).

340034130421 is a wasteful number, since it uses less digits than its factorization.

340034130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8929.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 340034130421 its reverse (124031430043), we get a palindrome (464065560464).

The spelling of 340034130421 in words is "three hundred forty billion, thirty-four million, one hundred thirty thousand, four hundred twenty-one".