840545059955 has 4 divisors (see below), whose sum is σ = 1008654071952. Its totient is φ = 672436047960.

The previous prime is 840545059873. The next prime is 840545059973. The reversal of 840545059955 is 559950545048.

It is a happy number.

840545059955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 840545059955 - 2²⁰ = 840544011379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 840545059894 and 840545059903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84054505991 + ... + 84054506000.

It is an arithmetic number, because the mean of its divisors is an integer number (252163517988).

Almost surely, 2^840545059955 is an apocalyptic number.

840545059955 is a deficient number, since it is larger than the sum of its proper divisors (168109011997).

840545059955 is a wasteful number, since it uses less digits than its factorization.

840545059955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168109011996.

The product of its (nonzero) digits is 32400000, while the sum is 59.

The spelling of 840545059955 in words is "eight hundred forty billion, five hundred forty-five million, fifty-nine thousand, nine hundred fifty-five".