1850525141920 has 384 divisors, whose sum is σ = 5545880524800. Its totient is φ = 567918231552.

The previous prime is 1850525141909. The next prime is 1850525141929. The reversal of 1850525141920 is 291415250581.

It is a super-2 number, since 2×1850525141920² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1850525141929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74578476 + ... + 74603284.

It is an arithmetic number, because the mean of its divisors is an integer number (14442397200).

Almost surely, 2^{1850525141920} is an apocalyptic number.

1850525141920 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 1850525141920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2772940262400).

1850525141920 is an abundant number, since it is smaller than the sum of its proper divisors (3695355382880).

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

1850525141920 is a wasteful number, since it uses less digits than its factorization.

1850525141920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000 (or 24992 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 43.

The spelling of 1850525141920 in words is "one trillion, eight hundred fifty billion, five hundred twenty-five million, one hundred forty-one thousand, nine hundred twenty".