340400406671 has 16 divisors (see below), whose sum is σ = 373028964000. Its totient is φ = 308739022848.

The previous prime is 340400406641. The next prime is 340400406673. The reversal of 340400406671 is 176604004043.

It is a cyclic number.

It is not a de Polignac number, because 340400406671 - 2²⁶ = 340333297807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340400406673) 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, 795746 + ... + 1146303.

It is an arithmetic number, because the mean of its divisors is an integer number (23314310250).

Almost surely, 2^340400406671 is an apocalyptic number.

340400406671 is a deficient number, since it is larger than the sum of its proper divisors (32628557329).

340400406671 is a wasteful number, since it uses less digits than its factorization.

340400406671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942298.

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 340400406671 in words is "three hundred forty billion, four hundred million, four hundred six thousand, six hundred seventy-one".