1844730420 has 96 divisors (see below), whose sum is σ = 5569818240. Its totient is φ = 453496320.

The previous prime is 1844730413. The next prime is 1844730421. The reversal of 1844730420 is 240374481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1844730421) 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 31 ways as a sum of consecutive naturals, for example, 1137210 + ... + 1138830.

It is an arithmetic number, because the mean of its divisors is an integer number (58018940).

Almost surely, 2^1844730420 is an apocalyptic number.

1844730420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1844730420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2784909120).

1844730420 is an abundant number, since it is smaller than the sum of its proper divisors (3725087820).

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

1844730420 is a wasteful number, since it uses less digits than its factorization.

1844730420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105 (or 3103 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 1844730420 is about 42950.3250278738. The cubic root of 1844730420 is about 1226.4343426525.

The spelling of 1844730420 in words is "one billion, eight hundred forty-four million, seven hundred thirty thousand, four hundred twenty".