27489037056 has 432 divisors, whose sum is σ = 85104311040. Its totient is φ = 7849820160.

The previous prime is 27489037049. The next prime is 27489037057. The reversal of 27489037056 is 65073098472.

It is a super-2 number, since 2×27489037056² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27489037057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175089330 + ... + 175089486.

It is an arithmetic number, because the mean of its divisors is an integer number (197000720).

Almost surely, 2^27489037056 is an apocalyptic number.

27489037056 is a gapful number since it is divisible by the number (26) 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 27489037056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42552155520).

27489037056 is an abundant number, since it is smaller than the sum of its proper divisors (57615273984).

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

27489037056 is a wasteful number, since it uses less digits than its factorization.

27489037056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 27489037056 in words is "twenty-seven billion, four hundred eighty-nine million, thirty-seven thousand, fifty-six".