340243434120 has 64 divisors (see below), whose sum is σ = 1024524936000. Its totient is φ = 90394281728.

The previous prime is 340243434103. The next prime is 340243434163. The reversal of 340243434120 is 21434342043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5237910 + ... + 5302469.

It is an arithmetic number, because the mean of its divisors is an integer number (16008202125).

Almost surely, 2^340243434120 is an apocalyptic number.

340243434120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340243434120 is an abundant number, since it is smaller than the sum of its proper divisors (684281501880).

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

340243434120 is a wasteful number, since it uses less digits than its factorization.

340243434120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10540662 (or 10540658 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 340243434120 its reverse (21434342043), we get a palindrome (361677776163).

The spelling of 340243434120 in words is "three hundred forty billion, two hundred forty-three million, four hundred thirty-four thousand, one hundred twenty".