1844026128 has 160 divisors (see below), whose sum is σ = 6213054720. Its totient is φ = 512593920.

The previous prime is 1844026109. The next prime is 1844026141. The reversal of 1844026128 is 8216204481.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1844026092 and 1844026101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103648 + ... + 120128.

It is an arithmetic number, because the mean of its divisors is an integer number (38831592).

Almost surely, 2^1844026128 is an apocalyptic number.

1844026128 is a gapful number since it is divisible by the number (18) 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 1844026128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3106527360).

1844026128 is an abundant number, since it is smaller than the sum of its proper divisors (4369028592).

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

1844026128 is a wasteful number, since it uses less digits than its factorization.

1844026128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16542 (or 16530 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 1844026128 is about 42942.1253316601. The cubic root of 1844026128 is about 1226.2782443531.

The spelling of 1844026128 in words is "one billion, eight hundred forty-four million, twenty-six thousand, one hundred twenty-eight".