218200369460 has 12 divisors (see below), whose sum is σ = 458220775908. Its totient is φ = 87280147776.

The previous prime is 218200369451. The next prime is 218200369463. The reversal of 218200369460 is 64963002812.

It can be written as a sum of positive squares in 2 ways, for example, as 97727512996 + 120472856464 = 312614^2 + 347092^2 .

It is a super-2 number, since 2×218200369460² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218200369463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5455009217 + ... + 5455009256.

It is an arithmetic number, because the mean of its divisors is an integer number (38185064659).

Almost surely, 2^218200369460 is an apocalyptic number.

218200369460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

218200369460 is an abundant number, since it is smaller than the sum of its proper divisors (240020406448).

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

218200369460 is a wasteful number, since it uses less digits than its factorization.

218200369460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910018482 (or 10910018480 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 218200369460 in words is "two hundred eighteen billion, two hundred million, three hundred sixty-nine thousand, four hundred sixty".