27229818000 has 640 divisors, whose sum is σ = 115922866176. Its totient is φ = 5323776000.

The previous prime is 27229817987. The next prime is 27229818019. The reversal of 27229818000 is 81892272.

It is a self number, because there is not a number n which added to its sum of digits gives 27229818000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7852267 + ... + 7855733.

Almost surely, 2^27229818000 is an apocalyptic number.

27229818000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27229818000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57961433088).

27229818000 is an abundant number, since it is smaller than the sum of its proper divisors (88693048176).

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

27229818000 is a wasteful number, since it uses less digits than its factorization.

27229818000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528 (or 3512 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 27229818000 in words is "twenty-seven billion, two hundred twenty-nine million, eight hundred eighteen thousand".