340240013001243 has 16 divisors (see below), whose sum is σ = 512602656124800. Its totient is φ = 222982155412200.

The previous prime is 340240013001241. The next prime is 340240013001277. The reversal of 340240013001243 is 342100310042043.

340240013001243 is a `hidden beast` number, since 3 + 4 + 0 + 2 + 400 + 13 + 0 + 0 + 1 + 243 = 666.

It is not a de Polignac number, because 340240013001243 - 2¹ = 340240013001241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (340240013001241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106792218433 + ... + 106792221618.

It is an arithmetic number, because the mean of its divisors is an integer number (32037666007800).

Almost surely, 2^{340240013001243} is an apocalyptic number.

340240013001243 is a deficient number, since it is larger than the sum of its proper divisors (172362643123557).

340240013001243 is a wasteful number, since it uses less digits than its factorization.

340240013001243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213584440119 (or 213584440113 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 340240013001243 its reverse (342100310042043), we get a palindrome (682340323043286).

The spelling of 340240013001243 in words is "three hundred forty trillion, two hundred forty billion, thirteen million, one thousand, two hundred forty-three".