243061426044 has 36 divisors (see below), whose sum is σ = 614431293840. Its totient is φ = 81017043840.

The previous prime is 243061426037. The next prime is 243061426061. The reversal of 243061426044 is 440624160342.

243061426044 is a `hidden beast` number, since 2 + 4 + 3 + 0 + 6 + 1 + 42 + 604 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 804889 + ... + 1064879.

It is an arithmetic number, because the mean of its divisors is an integer number (17067535940).

Almost surely, 2^243061426044 is an apocalyptic number.

It is an amenable number.

243061426044 is an abundant number, since it is smaller than the sum of its proper divisors (371369867796).

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

243061426044 is a wasteful number, since it uses less digits than its factorization.

243061426044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285970 (or 285965 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 243061426044 its reverse (440624160342), we get a palindrome (683685586386).

The spelling of 243061426044 in words is "two hundred forty-three billion, sixty-one million, four hundred twenty-six thousand, forty-four".