1841825920 has 128 divisors (see below), whose sum is σ = 4822804800. Its totient is φ = 667054080.

The previous prime is 1841825891. The next prime is 1841825941. The reversal of 1841825920 is 295281481.

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2794551 + ... + 2795209.

Almost surely, 2^1841825920 is an apocalyptic number.

1841825920 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 1841825920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2411402400).

1841825920 is an abundant number, since it is smaller than the sum of its proper divisors (2980978880).

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

1841825920 is a wasteful number, since it uses less digits than its factorization.

1841825920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 1841825920 is about 42916.4993912598. The cubic root of 1841825920 is about 1225.7903371330.

The spelling of 1841825920 in words is "one billion, eight hundred forty-one million, eight hundred twenty-five thousand, nine hundred twenty".