27225872920 has 64 divisors (see below), whose sum is σ = 64759500000. Its totient is φ = 10272826368.

The previous prime is 27225872917. The next prime is 27225872951. The reversal of 27225872920 is 2927852272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100206 + ... + 253954.

Almost surely, 2^27225872920 is an apocalyptic number.

27225872920 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 27225872920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32379750000).

27225872920 is an abundant number, since it is smaller than the sum of its proper divisors (37533627080).

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

27225872920 is a wasteful number, since it uses less digits than its factorization.

27225872920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154012 (or 154008 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 27225872920 in words is "twenty-seven billion, two hundred twenty-five million, eight hundred seventy-two thousand, nine hundred twenty".