340024203421 has 16 divisors (see below), whose sum is σ = 402886282240. Its totient is φ = 280816035840.

The previous prime is 340024203413. The next prime is 340024203481. The reversal of 340024203421 is 124302420043.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 340024203421 - 2³ = 340024203413 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 (340024203481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3371556 + ... + 3470941.

It is an arithmetic number, because the mean of its divisors is an integer number (25180392640).

Almost surely, 2^340024203421 is an apocalyptic number.

340024203421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

340024203421 is a deficient number, since it is larger than the sum of its proper divisors (62862078819).

340024203421 is a wasteful number, since it uses less digits than its factorization.

340024203421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842764.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 340024203421 its reverse (124302420043), we get a palindrome (464326623464).

The spelling of 340024203421 in words is "three hundred forty billion, twenty-four million, two hundred three thousand, four hundred twenty-one".