243112550026544 has 40 divisors (see below), whose sum is σ = 518565760418640. Its totient is φ = 109491890745600.

The previous prime is 243112550026477. The next prime is 243112550026571. The reversal of 243112550026544 is 445620055211342.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 243112550026495 and 243112550026504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6336317087 + ... + 6336355454.

It is an arithmetic number, because the mean of its divisors is an integer number (12964144010466).

Almost surely, 2^{243112550026544} is an apocalyptic number.

It is an amenable number.

243112550026544 is an abundant number, since it is smaller than the sum of its proper divisors (275453210392096).

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

243112550026544 is a wasteful number, since it uses less digits than its factorization.

243112550026544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12672672669 (or 12672672663 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 243112550026544 in words is "two hundred forty-three trillion, one hundred twelve billion, five hundred fifty million, twenty-six thousand, five hundred forty-four".