27332157720 has 256 divisors, whose sum is σ = 95219712000. Its totient is φ = 6147288576.

The previous prime is 27332157707. The next prime is 27332157767. The reversal of 27332157720 is 2775123372.

It is a happy number.

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 63 ways as a sum of consecutive naturals, for example, 27804349 + ... + 27805331.

It is an arithmetic number, because the mean of its divisors is an integer number (371952000).

Almost surely, 2^27332157720 is an apocalyptic number.

27332157720 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 27332157720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47609856000).

27332157720 is an abundant number, since it is smaller than the sum of its proper divisors (67887554280).

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

27332157720 is a wasteful number, since it uses less digits than its factorization.

27332157720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 39.

The spelling of 27332157720 in words is "twenty-seven billion, three hundred thirty-two million, one hundred fifty-seven thousand, seven hundred twenty".