340140120556 has 12 divisors (see below), whose sum is σ = 597867438168. Its totient is φ = 169320852512.

The previous prime is 340140120521. The next prime is 340140120641. The reversal of 340140120556 is 655021041043.

It is a happy number.

It is a super-2 number, since 2×340140120556² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187300921 + ... + 187302736.

It is an arithmetic number, because the mean of its divisors is an integer number (49822286514).

Almost surely, 2^340140120556 is an apocalyptic number.

It is an amenable number.

340140120556 is a deficient number, since it is larger than the sum of its proper divisors (257727317612).

340140120556 is a wasteful number, since it uses less digits than its factorization.

340140120556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374603888 (or 374603886 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 340140120556 its reverse (655021041043), we get a palindrome (995161161599).

The spelling of 340140120556 in words is "three hundred forty billion, one hundred forty million, one hundred twenty thousand, five hundred fifty-six".