416205340271 has 4 divisors (see below), whose sum is σ = 475663246032. Its totient is φ = 356747434512.

The previous prime is 416205340261. The next prime is 416205340273. The reversal of 416205340271 is 172043502614.

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

It is not a de Polignac number, because 416205340271 - 2²⁶ = 416138231407 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 (416205340273) 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, 29728952870 + ... + 29728952883.

It is an arithmetic number, because the mean of its divisors is an integer number (118915811508).

Almost surely, 2^416205340271 is an apocalyptic number.

416205340271 is a deficient number, since it is larger than the sum of its proper divisors (59457905761).

416205340271 is an equidigital number, since it uses as much as digits as its factorization.

416205340271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59457905760.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 416205340271 its reverse (172043502614), we get a palindrome (588248842885).

The spelling of 416205340271 in words is "four hundred sixteen billion, two hundred five million, three hundred forty thousand, two hundred seventy-one".