18265536577442 has 32 divisors (see below), whose sum is σ = 34161714607104. Its totient is φ = 7115861768400.

The previous prime is 18265536577369. The next prime is 18265536577469. The reversal of 18265536577442 is 24477563556281.

It is a super-4 number, since 4×18265536577442⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 2947484 + ... + 6724487.

It is an arithmetic number, because the mean of its divisors is an integer number (1067553581472).

Almost surely, 2^{18265536577442} is an apocalyptic number.

18265536577442 is a deficient number, since it is larger than the sum of its proper divisors (15896178029662).

18265536577442 is a wasteful number, since it uses less digits than its factorization.

18265536577442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9684254.

The product of its digits is 338688000, while the sum is 65.

The spelling of 18265536577442 in words is "eighteen trillion, two hundred sixty-five billion, five hundred thirty-six million, five hundred seventy-seven thousand, four hundred forty-two".