1852355908020 has 96 divisors (see below), whose sum is σ = 5250132913536. Its totient is φ = 487930060800.

The previous prime is 1852355907959. The next prime is 1852355908021. The reversal of 1852355908020 is 208095532581.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1852355908021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2726775 + ... + 3337665.

It is an arithmetic number, because the mean of its divisors is an integer number (54688884516).

Almost surely, 2^{1852355908020} is an apocalyptic number.

1852355908020 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 1852355908020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2625066456768).

1852355908020 is an abundant number, since it is smaller than the sum of its proper divisors (3397777005516).

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

1852355908020 is a wasteful number, since it uses less digits than its factorization.

1852355908020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611521 (or 611519 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 48.

The spelling of 1852355908020 in words is "one trillion, eight hundred fifty-two billion, three hundred fifty-five million, nine hundred eight thousand, twenty".