1881833472 has 160 divisors (see below), whose sum is σ = 5630111850. Its totient is φ = 626393088.

The previous prime is 1881833453. The next prime is 1881833491. The reversal of 1881833472 is 2743381881.

It is an interprime number because it is at equal distance from previous prime (1881833453) and next prime (1881833491).

It can be written as a sum of positive squares in only one way, i.e., 1816805376 + 65028096 = 42624^2 + 8064^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2653854 + ... + 2654562.

Almost surely, 2^1881833472 is an apocalyptic number.

1881833472 is a gapful number since it is divisible by the number (12) 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 1881833472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2815055925).

1881833472 is an abundant number, since it is smaller than the sum of its proper divisors (3748278378).

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

1881833472 is an frugal number, since it uses more digits than its factorization.

1881833472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 714 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 1881833472 is about 43380.1045641893. The cubic root of 1881833472 is about 1234.6022468606.

The spelling of 1881833472 in words is "one billion, eight hundred eighty-one million, eight hundred thirty-three thousand, four hundred seventy-two".