8018504406642 has 32 divisors (see below), whose sum is σ = 16886492395200. Its totient is φ = 2531344713408.

The previous prime is 8018504406613. The next prime is 8018504406643. The reversal of 8018504406642 is 2466044058108.

It is a junction number, because it is equal to n+sod(n) for n = 8018504406591 and 8018504406600.

It is not an unprimeable number, because it can be changed into a prime (8018504406643) by changing a digit.

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, 10957533 + ... + 11666384.

It is an arithmetic number, because the mean of its divisors is an integer number (527702887350).

Almost surely, 2^{8018504406642} is an apocalyptic number.

8018504406642 is an abundant number, since it is smaller than the sum of its proper divisors (8867987988558).

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

8018504406642 is a wasteful number, since it uses less digits than its factorization.

8018504406642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22627050.

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 8018504406642 in words is "eight trillion, eighteen billion, five hundred four million, four hundred six thousand, six hundred forty-two".