203852843488 has 72 divisors (see below), whose sum is σ = 467003775672. Its totient is φ = 87338490624.

The previous prime is 203852843459. The next prime is 203852843503. The reversal of 203852843488 is 884348258302.

It is a super-2 number, since 2×203852843488² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5543370 + ... + 5580022.

It is an arithmetic number, because the mean of its divisors is an integer number (6486163551).

Almost surely, 2^203852843488 is an apocalyptic number.

203852843488 is a gapful number since it is divisible by the number (28) 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 203852843488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233501887836).

203852843488 is an abundant number, since it is smaller than the sum of its proper divisors (263150932184).

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

203852843488 is a wasteful number, since it uses less digits than its factorization.

203852843488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40224 (or 40209 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 55.

The spelling of 203852843488 in words is "two hundred three billion, eight hundred fifty-two million, eight hundred forty-three thousand, four hundred eighty-eight".