84018228340804 has 6 divisors (see below), whose sum is σ = 147031899596414. Its totient is φ = 42009114170400.

The previous prime is 84018228340799. The next prime is 84018228340811. The reversal of 84018228340804 is 40804382281048.

It can be written as a sum of positive squares in only one way, i.e., 75104409038400 + 8913819302404 = 8666280^2 + 2985602^2 .

It is a super-4 number, since 4×84018228340804⁴ (a number of 57 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10502278542597 + ... + 10502278542604.

Almost surely, 2^{84018228340804} is an apocalyptic number.

It is an amenable number.

84018228340804 is a deficient number, since it is larger than the sum of its proper divisors (63013671255610).

84018228340804 is a wasteful number, since it uses less digits than its factorization.

84018228340804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21004557085205 (or 21004557085203 counting only the distinct ones).

The product of its (nonzero) digits is 3145728, while the sum is 52.

It can be divided in two parts, 84018 and 228340804, that added together give a palindrome (228424822).

The spelling of 84018228340804 in words is "eighty-four trillion, eighteen billion, two hundred twenty-eight million, three hundred forty thousand, eight hundred four".