840200555141 has 4 divisors (see below), whose sum is σ = 840530955072. Its totient is φ = 839870155212.

The previous prime is 840200555111. The next prime is 840200555143. The reversal of 840200555141 is 141555002048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 840200555141 - 2²² = 840196360837 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 (840200555143) 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, 165196151 + ... + 165201236.

It is an arithmetic number, because the mean of its divisors is an integer number (210132738768).

Almost surely, 2^840200555141 is an apocalyptic number.

It is an amenable number.

840200555141 is a deficient number, since it is larger than the sum of its proper divisors (330399931).

840200555141 is a wasteful number, since it uses less digits than its factorization.

840200555141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330399930.

The product of its (nonzero) digits is 32000, while the sum is 35.

Adding to 840200555141 its reverse (141555002048), we get a palindrome (981755557189).

The spelling of 840200555141 in words is "eight hundred forty billion, two hundred million, five hundred fifty-five thousand, one hundred forty-one".