1841805942 has 16 divisors (see below), whose sum is σ = 3900295152. Its totient is φ = 577821440.

The previous prime is 1841805941. The next prime is 1841805989. The reversal of 1841805942 is 2495081481.

It is a junction number, because it is equal to n+sod(n) for n = 1841805894 and 1841805903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1841805941) 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, 9028359 + ... + 9028562.

It is an arithmetic number, because the mean of its divisors is an integer number (243768447).

Almost surely, 2^1841805942 is an apocalyptic number.

1841805942 is an abundant number, since it is smaller than the sum of its proper divisors (2058489210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1841805942 is a wasteful number, since it uses less digits than its factorization.

1841805942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18056943.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 1841805942 is about 42916.2666363233. The cubic root of 1841805942 is about 1225.7859051312.

The spelling of 1841805942 in words is "one billion, eight hundred forty-one million, eight hundred five thousand, nine hundred forty-two".