340400040007 has 4 divisors (see below), whose sum is σ = 340403092120. Its totient is φ = 340396987896.

The previous prime is 340400039999. The next prime is 340400040017. The reversal of 340400040007 is 700040004043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340400040007 - 2³ = 340400039999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340400040007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340400040017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352157 + ... + 1584022.

It is an arithmetic number, because the mean of its divisors is an integer number (85100773030).

Almost surely, 2^340400040007 is an apocalyptic number.

340400040007 is a deficient number, since it is larger than the sum of its proper divisors (3052113).

340400040007 is a wasteful number, since it uses less digits than its factorization.

340400040007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052112.

The product of its (nonzero) digits is 1344, while the sum is 22.

The spelling of 340400040007 in words is "three hundred forty billion, four hundred million, forty thousand, seven".