243155400044 has 6 divisors (see below), whose sum is σ = 425521950084. Its totient is φ = 121577700020.

The previous prime is 243155400041. The next prime is 243155400143. The reversal of 243155400044 is 440004551342.

243155400044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243155400041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30394425002 + ... + 30394425009.

It is an arithmetic number, because the mean of its divisors is an integer number (70920325014).

Almost surely, 2^243155400044 is an apocalyptic number.

It is an amenable number.

243155400044 is a deficient number, since it is larger than the sum of its proper divisors (182366550040).

243155400044 is a wasteful number, since it uses less digits than its factorization.

243155400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60788850015 (or 60788850013 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 243155400044 its reverse (440004551342), we get a palindrome (683159951386).

The spelling of 243155400044 in words is "two hundred forty-three billion, one hundred fifty-five million, four hundred thousand, forty-four".