840945744741 has 16 divisors (see below), whose sum is σ = 1210356696960. Its totient is φ = 517763695680.

The previous prime is 840945744677. The next prime is 840945744763. The reversal of 840945744741 is 147447549048.

It is not a de Polignac number, because 840945744741 - 2⁶ = 840945744677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840945744781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210129370 + ... + 210133371.

It is an arithmetic number, because the mean of its divisors is an integer number (75647293560).

Almost surely, 2^840945744741 is an apocalyptic number.

It is an amenable number.

840945744741 is a deficient number, since it is larger than the sum of its proper divisors (369410952219).

840945744741 is a wasteful number, since it uses less digits than its factorization.

840945744741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420262796.

The product of its (nonzero) digits is 18063360, while the sum is 57.

The spelling of 840945744741 in words is "eight hundred forty billion, nine hundred forty-five million, seven hundred forty-four thousand, seven hundred forty-one".