1841408556 has 96 divisors (see below), whose sum is σ = 4792209408. Its totient is φ = 546497280.

The previous prime is 1841408549. The next prime is 1841408557. The reversal of 1841408556 is 6558041481.

It is a super-2 number, since 2×1841408556² = 6781570940220010272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1841408557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2432130 + ... + 2432886.

It is an arithmetic number, because the mean of its divisors is an integer number (49918848).

Almost surely, 2^1841408556 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 1841408556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2396104704).

1841408556 is an abundant number, since it is smaller than the sum of its proper divisors (2950800852).

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

1841408556 is a wasteful number, since it uses less digits than its factorization.

1841408556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 1841408556 is about 42911.6366036067. The cubic root of 1841408556 is about 1225.6977407226.

The spelling of 1841408556 in words is "one billion, eight hundred forty-one million, four hundred eight thousand, five hundred fifty-six".