840040208675 has 6 divisors (see below), whose sum is σ = 1041649858788. Its totient is φ = 672032166920.

The previous prime is 840040208669. The next prime is 840040208713. The reversal of 840040208675 is 576802040048.

It is not a de Polignac number, because 840040208675 - 2²⁰ = 840039160099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16800804149 + ... + 16800804198.

It is an arithmetic number, because the mean of its divisors is an integer number (173608309798).

Almost surely, 2^840040208675 is an apocalyptic number.

840040208675 is a deficient number, since it is larger than the sum of its proper divisors (201609650113).

840040208675 is a wasteful number, since it uses less digits than its factorization.

840040208675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33601608357 (or 33601608352 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 44.

The spelling of 840040208675 in words is "eight hundred forty billion, forty million, two hundred eight thousand, six hundred seventy-five".