238449551700 has 72 divisors (see below), whose sum is σ = 690807223008. Its totient is φ = 63504225920.

The previous prime is 238449551693. The next prime is 238449551719. The reversal of 238449551700 is 7155944832.

238449551700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 238449551700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282222 + ... + 746021.

It is an arithmetic number, because the mean of its divisors is an integer number (9594544764).

Almost surely, 2^238449551700 is an apocalyptic number.

238449551700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238449551700 is an abundant number, since it is smaller than the sum of its proper divisors (452357671308).

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

238449551700 is a wasteful number, since it uses less digits than its factorization.

238449551700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029033 (or 1029026 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 238449551700 in words is "two hundred thirty-eight billion, four hundred forty-nine million, five hundred fifty-one thousand, seven hundred".