1841436772 has 48 divisors (see below), whose sum is σ = 3790144512. Its totient is φ = 766379520.

The previous prime is 1841436721. The next prime is 1841436791. The reversal of 1841436772 is 2776341481.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252408 + ... + 259600.

It is an arithmetic number, because the mean of its divisors is an integer number (78961344).

Almost surely, 2^1841436772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1841436772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1895072256).

1841436772 is an abundant number, since it is smaller than the sum of its proper divisors (1948707740).

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

1841436772 is a wasteful number, since it uses less digits than its factorization.

1841436772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7468 (or 7466 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 1841436772 is about 42911.9653709778. The cubic root of 1841436772 is about 1225.7040011676.

The spelling of 1841436772 in words is "one billion, eight hundred forty-one million, four hundred thirty-six thousand, seven hundred seventy-two".