27573323140 has 192 divisors, whose sum is σ = 66134880000. Its totient is φ = 9570129920.

The previous prime is 27573323137. The next prime is 27573323159. The reversal of 27573323140 is 4132337572.

It is a self number, because there is not a number n which added to its sum of digits gives 27573323140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102502926 + ... + 102503194.

It is an arithmetic number, because the mean of its divisors is an integer number (344452500).

Almost surely, 2^27573323140 is an apocalyptic number.

27573323140 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 27573323140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33067440000).

27573323140 is an abundant number, since it is smaller than the sum of its proper divisors (38561556860).

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

27573323140 is a wasteful number, since it uses less digits than its factorization.

27573323140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 27573323140 in words is "twenty-seven billion, five hundred seventy-three million, three hundred twenty-three thousand, one hundred forty".