1896445320 has 256 divisors, whose sum is σ = 7141478400. Its totient is φ = 391388160.

The previous prime is 1896445301. The next prime is 1896445333. The reversal of 1896445320 is 235446981.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1542466 + ... + 1543694.

It is an arithmetic number, because the mean of its divisors is an integer number (27896400).

Almost surely, 2^1896445320 is an apocalyptic number.

1896445320 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 1896445320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3570739200).

1896445320 is an abundant number, since it is smaller than the sum of its proper divisors (5245033080).

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

1896445320 is a wasteful number, since it uses less digits than its factorization.

1896445320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 1896445320 is about 43548.1953701873. The cubic root of 1896445320 is about 1237.7894452017.

The spelling of 1896445320 in words is "one billion, eight hundred ninety-six million, four hundred forty-five thousand, three hundred twenty".