840261041 has 8 divisors (see below), whose sum is σ = 851092704. Its totient is φ = 829446400.

The previous prime is 840261029. The next prime is 840261127. The reversal of 840261041 is 140162048.

840261041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-840261041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 840261041.

It is not an unprimeable number, because it can be changed into a prime (840261241) 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, 116945 + ... + 123921.

It is an arithmetic number, because the mean of its divisors is an integer number (106386588).

Almost surely, 2^840261041 is an apocalyptic number.

It is an amenable number.

840261041 is a deficient number, since it is larger than the sum of its proper divisors (10831663).

840261041 is a wasteful number, since it uses less digits than its factorization.

840261041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 840261041 is about 28987.2565276537. The cubic root of 840261041 is about 943.6365249527.

The spelling of 840261041 in words is "eight hundred forty million, two hundred sixty-one thousand, forty-one".