840255611043 has 8 divisors (see below), whose sum is σ = 1120397088528. Its totient is φ = 560142270464.

The previous prime is 840255611029. The next prime is 840255611071. The reversal of 840255611043 is 340116552048.

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

It is a cyclic number.

It is not a de Polignac number, because 840255611043 - 2⁵ = 840255611011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 840255610992 and 840255611010.

It is not an unprimeable number, because it can be changed into a prime (840255611003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6964446 + ... + 7084067.

It is an arithmetic number, because the mean of its divisors is an integer number (140049636066).

Almost surely, 2^840255611043 is an apocalyptic number.

840255611043 is a deficient number, since it is larger than the sum of its proper divisors (280141477485).

840255611043 is a wasteful number, since it uses less digits than its factorization.

840255611043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14068453.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 840255611043 in words is "eight hundred forty billion, two hundred fifty-five million, six hundred eleven thousand, forty-three".