12527835840 has 672 divisors, whose sum is σ = 51024617280. Its totient is φ = 2902376448.

The previous prime is 12527835821. The next prime is 12527835863. The reversal of 12527835840 is 4853872521.

12527835840 is a `hidden beast` number, since 1 + 2 + 527 + 83 + 5 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 736931512 + ... + 736931528.

It is an arithmetic number, because the mean of its divisors is an integer number (75929490).

Almost surely, 2^12527835840 is an apocalyptic number.

12527835840 is a gapful number since it is divisible by the number (10) 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 12527835840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25512308640).

12527835840 is an abundant number, since it is smaller than the sum of its proper divisors (38496781440).

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

12527835840 is an frugal number, since it uses more digits than its factorization.

12527835840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 12527835840 in words is "twelve billion, five hundred twenty-seven million, eight hundred thirty-five thousand, eight hundred forty".