27221629008 has 40 divisors (see below), whose sum is σ = 80368619968. Its totient is φ = 7777608192.

The previous prime is 27221629003. The next prime is 27221629021. The reversal of 27221629008 is 80092612272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27221629003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40508041 + ... + 40508712.

Almost surely, 2^27221629008 is an apocalyptic number.

27221629008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27221629008 is an abundant number, since it is smaller than the sum of its proper divisors (53146990960).

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

27221629008 is a wasteful number, since it uses less digits than its factorization.

27221629008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81016771 (or 81016765 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 27221629008 in words is "twenty-seven billion, two hundred twenty-one million, six hundred twenty-nine thousand, eight".