3400404407671 has 4 divisors (see below), whose sum is σ = 3435460123312. Its totient is φ = 3365348692032.

The previous prime is 3400404407641. The next prime is 3400404407689. The reversal of 3400404407671 is 1767044040043.

It is a happy number.

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 3400404407671 - 2⁴¹ = 1201381152119 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 (3400404407641) 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, 17527857675 + ... + 17527857868.

It is an arithmetic number, because the mean of its divisors is an integer number (858865030828).

Almost surely, 2^{3400404407671} is an apocalyptic number.

3400404407671 is a deficient number, since it is larger than the sum of its proper divisors (35055715641).

3400404407671 is an equidigital number, since it uses as much as digits as its factorization.

3400404407671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35055715640.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 3400404407671 in words is "three trillion, four hundred billion, four hundred four million, four hundred seven thousand, six hundred seventy-one".