27927490560 has 208 divisors, whose sum is σ = 93246868224. Its totient is φ = 7123173376.

The previous prime is 27927490559. The next prime is 27927490567. The reversal of 27927490560 is 6509472972.

It is a super-2 number, since 2×27927490560² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27927490567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1403239 + ... + 1423001.

Almost surely, 2^27927490560 is an apocalyptic number.

27927490560 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 27927490560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46623434112).

27927490560 is an abundant number, since it is smaller than the sum of its proper divisors (65319377664).

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

27927490560 is a wasteful number, since it uses less digits than its factorization.

27927490560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19818 (or 19796 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 27927490560 in words is "twenty-seven billion, nine hundred twenty-seven million, four hundred ninety thousand, five hundred sixty".