243472505274342 has 64 divisors (see below), whose sum is σ = 547134124420800. Its totient is φ = 80244901186560.

The previous prime is 243472505274289. The next prime is 243472505274347.

243472505274342 is a `hidden beast` number, since 2 + 4 + 3 + 4 + 7 + 25 + 0 + 5 + 274 + 342 = 666.

243472505274342 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243472505274347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 955502458 + ... + 955757234.

It is an arithmetic number, because the mean of its divisors is an integer number (8548970694075).

Almost surely, 2^{243472505274342} is an apocalyptic number.

243472505274342 is an abundant number, since it is smaller than the sum of its proper divisors (303661619146458).

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

243472505274342 is a wasteful number, since it uses less digits than its factorization.

243472505274342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453718 (or 453712 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 54.

The spelling of 243472505274342 in words is "two hundred forty-three trillion, four hundred seventy-two billion, five hundred five million, two hundred seventy-four thousand, three hundred forty-two".