18446840467002 has 48 divisors (see below), whose sum is σ = 41346815178240. Its totient is φ = 5936849757216.

The previous prime is 18446840466991. The next prime is 18446840467009. The reversal of 18446840467002 is 20076404864481.

18446840467002 is a `hidden beast` number, since 1 + 84 + 4 + 68 + 40 + 467 + 0 + 0 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 18446840467002.

It is not an unprimeable number, because it can be changed into a prime (18446840467009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80318743 + ... + 80548085.

It is an arithmetic number, because the mean of its divisors is an integer number (861391982880).

Almost surely, 2^{18446840467002} is an apocalyptic number.

18446840467002 is an abundant number, since it is smaller than the sum of its proper divisors (22899974711238).

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

18446840467002 is a wasteful number, since it uses less digits than its factorization.

18446840467002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383467 (or 383464 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 54.

The spelling of 18446840467002 in words is "eighteen trillion, four hundred forty-six billion, eight hundred forty million, four hundred sixty-seven thousand, two".