1825862412 has 144 divisors (see below), whose sum is σ = 4826304000. Its totient is φ = 536659200.

The previous prime is 1825862369. The next prime is 1825862413. The reversal of 1825862412 is 2142685281.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1825862413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9175089 + ... + 9175287.

It is an arithmetic number, because the mean of its divisors is an integer number (33516000).

Almost surely, 2^1825862412 is an apocalyptic number.

1825862412 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 1825862412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2413152000).

1825862412 is an abundant number, since it is smaller than the sum of its proper divisors (3000441588).

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

1825862412 is a wasteful number, since it uses less digits than its factorization.

1825862412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 375 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 1825862412 is about 42730.1113033889. Note that the first 3 decimals coincide. The cubic root of 1825862412 is about 1222.2386585938.

The spelling of 1825862412 in words is "one billion, eight hundred twenty-five million, eight hundred sixty-two thousand, four hundred twelve".