243441100028 has 24 divisors (see below), whose sum is σ = 488044233600. Its totient is φ = 104082892848.

The previous prime is 243441100027. The next prime is 243441100061. The reversal of 243441100028 is 820001144342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243441100027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10363358 + ... + 10386821.

It is an arithmetic number, because the mean of its divisors is an integer number (20335176400).

Almost surely, 2^243441100028 is an apocalyptic number.

243441100028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

243441100028 is an abundant number, since it is smaller than the sum of its proper divisors (244603133572).

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

243441100028 is a wasteful number, since it uses less digits than its factorization.

243441100028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20750609 (or 20750607 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 243441100028 in words is "two hundred forty-three billion, four hundred forty-one million, one hundred thousand, twenty-eight".