18348642300004 has 24 divisors (see below), whose sum is σ = 32869210207680. Its totient is φ = 8957599631904.

The previous prime is 18348642299951. The next prime is 18348642300019. The reversal of 18348642300004 is 40000324684381.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19571659 + ... + 20487730.

It is an arithmetic number, because the mean of its divisors is an integer number (1369550425320).

Almost surely, 2^{18348642300004} is an apocalyptic number.

It is an amenable number.

18348642300004 is a deficient number, since it is larger than the sum of its proper divisors (14520567907676).

18348642300004 is a wasteful number, since it uses less digits than its factorization.

18348642300004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40062099 (or 40062097 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

Adding to 18348642300004 its reverse (40000324684381), we get a palindrome (58348966984385).

The spelling of 18348642300004 in words is "eighteen trillion, three hundred forty-eight billion, six hundred forty-two million, three hundred thousand, four".