1841405841 has 48 divisors (see below), whose sum is σ = 2979362880. Its totient is φ = 1086480000.

The previous prime is 1841405833. The next prime is 1841405849. The reversal of 1841405841 is 1485041481.

It is an interprime number because it is at equal distance from previous prime (1841405833) and next prime (1841405849).

It is not a de Polignac number, because 1841405841 - 2³ = 1841405833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1841405796 and 1841405805.

It is not an unprimeable number, because it can be changed into a prime (1841405849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 608430 + ... + 611448.

It is an arithmetic number, because the mean of its divisors is an integer number (62070060).

Almost surely, 2^1841405841 is an apocalyptic number.

1841405841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1841405841 is a deficient number, since it is larger than the sum of its proper divisors (1137957039).

1841405841 is a wasteful number, since it uses less digits than its factorization.

1841405841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198 (or 3195 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 1841405841 is about 42911.6049688193. The cubic root of 1841405841 is about 1225.6971383267.

It can be divided in two parts, 184140 and 5841, that added together give a palindrome (189981).

The spelling of 1841405841 in words is "one billion, eight hundred forty-one million, four hundred five thousand, eight hundred forty-one".