840944223371 has 4 divisors (see below), whose sum is σ = 961079112432. Its totient is φ = 720809334312.

The previous prime is 840944223331. The next prime is 840944223407. The reversal of 840944223371 is 173322449048.

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 840944223371 - 2¹⁰ = 840944222347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (840944223311) 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, 60067444520 + ... + 60067444533.

It is an arithmetic number, because the mean of its divisors is an integer number (240269778108).

Almost surely, 2^840944223371 is an apocalyptic number.

840944223371 is a deficient number, since it is larger than the sum of its proper divisors (120134889061).

840944223371 is a wasteful number, since it uses less digits than its factorization.

840944223371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120134889060.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 840944223371 in words is "eight hundred forty billion, nine hundred forty-four million, two hundred twenty-three thousand, three hundred seventy-one".