340020321342 has 16 divisors (see below), whose sum is σ = 732351461520. Its totient is φ = 104621637312.

The previous prime is 340020321337. The next prime is 340020321383. The reversal of 340020321342 is 243123020043.

It is a super-2 number, since 2×340020321342² (a number of 24 digits) contains 22 as substring.

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, 2179617367 + ... + 2179617522.

It is an arithmetic number, because the mean of its divisors is an integer number (45771966345).

Almost surely, 2^340020321342 is an apocalyptic number.

340020321342 is an abundant number, since it is smaller than the sum of its proper divisors (392331140178).

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

340020321342 is a wasteful number, since it uses less digits than its factorization.

340020321342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359234907.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 340020321342 its reverse (243123020043), we get a palindrome (583143341385).

The spelling of 340020321342 in words is "three hundred forty billion, twenty million, three hundred twenty-one thousand, three hundred forty-two".