840864426603 has 8 divisors (see below), whose sum is σ = 1122425163216. Its totient is φ = 559939987200.

The previous prime is 840864426583. The next prime is 840864426617. The reversal of 840864426603 is 306624468048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 840864426603 - 2¹⁴ = 840864410219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (840864426643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159071218 + ... + 159076503.

It is an arithmetic number, because the mean of its divisors is an integer number (140303145402).

Almost surely, 2^840864426603 is an apocalyptic number.

840864426603 is a deficient number, since it is larger than the sum of its proper divisors (281560736613).

840864426603 is a wasteful number, since it uses less digits than its factorization.

840864426603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318148605.

The product of its (nonzero) digits is 5308416, while the sum is 51.

The spelling of 840864426603 in words is "eight hundred forty billion, eight hundred sixty-four million, four hundred twenty-six thousand, six hundred three".