1829622144 has 128 divisors (see below), whose sum is σ = 5881075200. Its totient is φ = 491986944.

The previous prime is 1829622143. The next prime is 1829622181. The reversal of 1829622144 is 4412269281.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1829622143) by changing a digit.

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, 25677 + ... + 65715.

It is an arithmetic number, because the mean of its divisors is an integer number (45945900).

Almost surely, 2^1829622144 is an apocalyptic number.

1829622144 is a gapful number since it is divisible by the number (14) 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 1829622144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940537600).

1829622144 is an abundant number, since it is smaller than the sum of its proper divisors (4051453056).

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

1829622144 is a wasteful number, since it uses less digits than its factorization.

1829622144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40080 (or 40068 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 1829622144 is about 42774.0826202036. The cubic root of 1829622144 is about 1223.0770093247.

The spelling of 1829622144 in words is "one billion, eight hundred twenty-nine million, six hundred twenty-two thousand, one hundred forty-four".